四年级数学（小数加减运算）计算题专项练习与答案汇编

四年级数学（小数加减运算）计算题专项练习与答案汇编7.97-2.78-2.47-1.44=9.08-2.62+4.4-6.1=5.13-1.99+2.52=5.94+2.6+8.61-8.25=2.36-0.7+9.48+4.06=8.74-4.49-0.23-3.43=8.08-4.36+5.37-6.69=7.09-3.32-2.65+1.21=9.86+3.87+2.97-2.9=5.97-0.06+7.64-5.51=0.75+1.36+8.36+0.62=6.47-3.21-1.34+4.42=3.54-1.32+5.65-2.72=8.12-3.65+9.77-1.32=2.16+9.05-9.03+3.52=6.38+3.52+3.68-7.5=5.59-3.55=9.7-0.89-6.17+0.99=0.22+6.71=7.81-1.12+6.48-2.94=8.77-2.67+5.79=3.94+5.11-3.74+9.86=6.59+6.3+5.58=7.57+8.01-4.26=1.67+6.48+9.41=5.38+7.58-7.86+1.4=6.46-0.02-5.82=8.86-2.15-4.3+3.73=8.24-0.21+5.17-1.25=5.12+2.23-0.31=7.33-5.2+2.94-3.1=9.07-0.27-3.39=7.98-3.61+5.07+2.01=4.41+1.56-3.31+4.07=6.96+9.05=6.36+8.69+5.4+5.24=0.99+0.72+1.32=4.95-1.67+9.81-7.41=7.58-1.84-1.86=7.87-1.36+2.15-6.33=4.81+3.95+2.14=7.01+8.32-1.72=7.72+3.17-1.59=1.24-0.02=6.63-2.16+1.13+6.1=3.79+7.33+6.45-2.85=5.83-3.02+9.4+7.99=8.76-1.48-4.96-1.36=7.12+9.38-6.12-2.92=4.93+3.02+6.83+8.76=9.3-1.42+1.25-6.15=4.53-1.4+2.2=1.56+2.07-0.63=7.78+7.27-6.27-5.48=9.17-0.04+0.09+9.84=3.16+0.58+8.11=8.59-1.66-1.88=2.02+6.96-5.06=4.27+6.81-0.45-8.29=5.63-1.09+6.73+0.98=7.16-0.28+5.44=2.27+9.26-9.6=8.92-0.51-4.9-0.27=0.59+4.52-1.28+9.01=8.62+7.78-3.88=5.72-4.53+5.06-2.74=6.82+5.13+2.19-8.58=9.68-6.5+5.84+4.57=6.93-5.38+5.77+1.99=6.33+8.14+8+1.5=5.93+1.31-6.48+3.38=4.52-0.81+9.7-0.56=7.24-3.02-3.61=9.98-0.41-7.03=6.22-5.16+5.95+3.36=7.21+1.66+1.17=9.44+5.72-8.24+6.27=8.66-1.27-0.08+2.08=8.05-0.98+1.29-4.96=9.4-2.87+0.79-2.62=7.09-1.87-1.69-1.33=4.21-0.13+3.32-4.91=2.83+0.3-1.33-0.98=6.02-2.6=9.87+5.92+4.3+4.18=9.37-8.18+4.87=6.8+6.13+6.18=8.01+1.01-7.27+7.92=4.79+2.21+7.88-9.87=6.83-1.1+3.01=0.02+9.52+2.62=5.15+7.06-4.36=9.8-6.39-1.59+4.56=7-4.41-2.1=6.06+1.29-4.07=5.81+7.82-8.96+1.15=8.99+4.76+5.7=1.13-0.96=9.64+7.43-3.35=1.15+2.08+1.2=4.15-0.72+5.93=4.51+2.81-1.47-2.97=6.78+6.05-7.91=7.32-4.1+1.61=7.4+1.61-1.5=3.76-0.61+9.21=3.79-1-2.09-0.5=2.57-1.97=2.87-1.37=8.41-1.19+7.33=9.53-2.77-3.32+8.09=9.51-0.1+7.31-5.9=9.86-1.57-2.45+1.56=7.78-5.92+2.03=1.46+7.84+8.61+9.69=0.46+4.36+4.12-5.84=7.03+2.94-1.3+4.54=4.69+7.67+6.01+1.34=7.18-1.35=0.11+3.72=7.85+5.76=8.71-0.73-7.73=3.59+1.74=7.91-2.82-3.15-0.72=5.13+8.42=8.2-4.13-0.12-2.94=2.96+9.69-4.54-4.23=5.3-3.81+5.56+3.25=9.73-4.8-3.07=9.25-4.09-2.54+3.69=9.31-0.72-2.32-1.51=8.05-2.94+8.36=8.94-8.19+4.51+3.86=5.74+3.47+4.34-4.56=7.36-2.71-1.04-0.04=6.36+5.16-8.74=5.93+6.86+8.63+3=9.79+7.79=8.11+8.08-7.85=8.25-1.46+0.62-2.07=9.47-4.61=8.09-1.54+3.68+7.07=7.37-0.31+5.25=9.65-4.11-0.55-1.1=6.57+6.66-3.34-7.85=8.8+1.79+9.85+6.51=9.08-3.11-4.28+7.66=8.66-3.56-2.28-2.47=6.38-0.22-4.38=5.4+0.23+9.92+2.49=2.02+7.85-1.63-5.01=5.3+9.47-6.63=1.4-0.22+9.43+9.09=6.01-0.51=4.95+3.4-5-3.15=8.86+7.61-9.32-5.66=2.59+7.74-3.44=8.54+4.26+7.37+1.76=2.62+7.15+1.94=5.41-1.57+8.36-6.27=5.46+4.14-1.92-5.03=6.11+1.27=4.84+9.61-9.53+9.11=1.96+5.22=2.14+7.25+2.09=6.59+7.48+2.82=8.26-4.74+4.28=8.93+0.37=5.53-0.25-3.12=9.86-1.19-4.37-0.79=6.45-4.83-0.52=0.67+6.49-0.82+2.87=4.29+1.89+4.42+2.72=9.27-1.21=4.53+4.18-5.28=4.78-2.9-0.47=7.69-2.3=8.32+9.42=3.32-0.75+1.47=2.79+4.05-4.16+3.99=7.18-0.65-0.4-2.85=3.79+2.98+2.92+2.36=6.49+3.4+9.69=8.69-2.63-0.27=9.08-7.23-0.99+9.09=7.11-4.81=4.35+7.61-0.93-6.07=8.75-1.69-6.51+9.58=3.36+8.93-7.77=5.66-4.86+8.35-4.92=6.31+1.5+5.62+7.74=7.52+3.35+0.15+4.89=4.79+0.18+6.08=6.81-1.79+7.24-4.61=9-0.15-3.11=6.6-4.47+7.86-4.1=8.19-0.92+3.12=8.37+7.97-5.84-2.01=3.44+1.16+8.93-9.98=6.6+8.09=5.34+9.09-5.29+9.57=9.44-9+4.82-3.01=5.03-2.56+8.46-7.69=0.95+5.57+5.46+0.9=7.62-1.85-0.02+7.42=0.82+8.9=4.35-0.33=8.73-7.17+6.01=7.51+3.38+0.18=2.55+6.86-8.59+9.57=5.77+7.51+3.2+0.92=7.35+6.01+3.54=7.41+4.09-7.28+1.49=5.86-2.75-0.56=8.36-2.48-0.03-2.62=1.78+5.49+8.27+8.19=8.25-2.35-0.41+5.67=6.04+4.35+2.14-1.34=4.08+4.02-2.59+7.9=9.47+6.57-7.66=9.53-0.47-2.77-2.58=8.54+5.58-6.77=1.94+5.77=9.16+5.75-0.42-3.17=3.25-0.15+5.1-1.46=6.45+2.7+5.42=5.09+2.5-5.05-0.58=9-0.17-4.78-3.28=6.11+6.39=5.92+5.17-1.02-8.43=9.38+7.06-5.57=6.61-2.83+2.55+0.98=1.01+4.07-1.72-2.06=2.9+1.46+1.27=9.4-2.4=6.23+2.88+5.63-7.93=5.63-1.86+6.38-9.56=7.61-2.48-1.06-2.27=6.3-5.68=7.36-1.24-2.58-1.15=3.72+8.66+8.75-1.94=6.38+9.81-3.36-2.95=8.31+3.22-3.36+3.59=0.46+4.23+1.73=9.29-1.83-5.61+5.79=0.05+1.13-0.32=9.14-3.85-0.52=8.84+0.04-6.85+9.53=6.3-3.48+9.8+9.22=0.82+6.91+3.67=6.44-1.37-0.92=6.63+5.74+3.58+9.85=7.45-1.48+1.6=1.95-1.6=5.86+7.29+8.41=8.6+9.09-7.36-8.93=4.47+9.87=5.14-2.27-0.78=5.54+7.14-3.49+7.07=6.46+4.86=9.66-5.48+4.25+7.12=6.57-3.06-0.13-0.9=6.6-2.04-4.21+7.1=3.53-1.95+8.06+6.41=3.41+2.45-4.49=4.7+3.6+5.78+9.05=7.25-6.25+5.16+5.17=9.82-2.15+3.88+3.58=2.7-0.5-0.98+6.51=9.95+6.14+2.01-4.07=7.93+1.67+7.68+9.62=5.87+7.3+8.5-8.51=9.2+7.23=8.58-0.34-2.9+3.01=6.06-5.11+3.81-2.38=9.26-1.1+7.04-2.35=6.42-1.17-0.57-4.29=8.01-6.79=6.68-0.48+2.41+1.65=8.02+4.93+9=6.73+3.84+3.77=7.97-2.9-2.26+1.31=7.92+6.74-0.74+2.03=8.14-3.8+2.89+5.46=4.65-2.01+4.39-3.26=8.23-1.38+0.5+2.51=5.93-2.12=6.84+7.65+7.14+6.26=8.41-3.32+7.2-7.53=1.54-0.64+7.52-4.63=2.13+3.42=9.87-4.7-3.12-1.77=5.29+1.11-1.7=9-1.65+2.32=7.49+2.29-6.23+8.63=0.97+5.57=9.36+7.18+6.43+5.8=0.18+5.9=5.37-0.55-2.82+3.63=7.61+7.44-4.56+8.4=5.07-0.81-2.81=6.12-0.63+6.92=8.38+4.4+7.96+0.88=8.75+1.55-3.68-3.75=5.75+0.17+2.32-1.69=9.29-7.17-0.76=9.78+1.15+0.6=9.57-3.99-3.52=9.09+5.33-7.97-2.68=4.76+9.69-1.59-9.04=4.03-1.6=6.75-3.98=7.48-0.84+8.13-9.53=1.78+6.35=6.5+6.7=8.31+8.75-4.98=0.23+7.51+7.37=5.33+6.59=7.31+8.92-4.82=8.52-1.79-5.71+6.41=7.18-5.27-0.25-0.15=2.51+3.88-4.62=8.56+8.91+4.78+4.29=1.72+6.93-5.78-2.41=4.65-0.86+2.27=2.46-1.41+5.21+7.36=6.95-1.42+8.39=8.91-5.73+9.15-0.8=6.78-1.36-1.93+8.59=0.86+4.6+8.74=5.74+0.57-1.78=0.54+9.9-1.07-0.04=5.22+9.52-1.3-2.56=7.31-3.31=8.44-3.18-3.41+8.01=8.48-1.88+3.95=3.85+8.44-8.88+1.01=5.94-1.03+6.98-0.48=0.84+0.25+3.06+5.3=0.2+3.02+6.7-0.19=7.56-0.32+5.65+8.75=7.12-2.17-0.8-1.1=5.5+6.99-1.16+0.12=2.79-1.7+0.58=8.42+4.3+8.12-6.77=6.02-1.01-2.13=6.34-5.09=3.63+8.17=3.69+3.26+5.15+7.8=8.43-0.28-2.81=9.75-3.01=5.22-2.5+4.84=9.25+0.05=3.7+9.03-3.71-0.38=8.72+8.48-0.45+0.72=8.48-1.6-2.01-3.49=2.46-0.27+2.9+7.61=6.81+6.2+8.32+6.78=6.73-0.91-5.71=5.04+4.37+0.76+2.65=8.61-4.13-4.25+7.55=0.39+5.45-1.07+9.51=5.81-4.65+0.85-1.43=6.75-3.31+9.32=3.07-0.05+2.3+3.83=6.24+9.19+2.55=5.61+9.44+9.73=7.94-5.49+6.87=4.49+8.82-4.66+8.88=5.95+1.18+3.34=8.25+7.03-0.63+3.54=3.51-2.1=9.14+8.01-4.8+8.83=2.5-0.88+0.96=1.22+4.42=8.76+6.53-1.02-0.3=6.44+9.03+8.59-9.41=9.51-4.25+6.97-2.33=8.65-5.16+5.26+9.64=4.41-1.22+9.29+7.77=5.19-3.04+5.64=5.07-0.35+7.19-6.71=9.4-1.56+9.53=8.5-8.27+9.58+6.01=6.73+8.32-3.45-3.02=4.31-4.11+5.96+9.49=2.63-1.97=6.06-1.38-0.99-1.37=8.2-1.08-4.41-2.54=5.21+9.36-0.49+9.03=6.82-2.07=3.23-0.3-1.14=8.86-0.57-5.28-1.31=8.78+3.7-6.25+6.17=7.24-2.2-3.67=4.44-0.33-3.05-0.81=5.43+6.82-4.97=2.91+7.07-6.29-0.43=8.44+2.43-7.33+5.3=7.69-0.36-1.01=8.34+3.65+7.67+1.63=6.26-0.36+4.01+5.97=9.97-5.79-3.38+1.47=8.15-4.13-2.72+0.47=8.16-5.84=5.28+3.51+1.96=7.17+6.07+2.86-3.79=6.06-3.54-0.05-1.31=2.94+6.44+4.8-1.11=7.54+9.76-0.17=1.51+0.5=6.98-3.29-2.67+1.72=0.04+7.77=2.73+6.71+6.28-6.14=6.39+1.04+6.02-7.84=4.9-0.68-2.79=9.59+3.2-9.12=8.76+4.02+0.84=6.36+3.77=5.18-2.63+5.82=7.38-1.24-1.09+7.98=7.71+3.47+3.5=4.34+1.04+5.81+4.66=1.49+4.05+7.87-0.81=4.99-3.73=5.25+9.7-2.49=8.23-0.88-0.32=9.26+9.82+8.1-2.27=9.63-0.58+5.94=5.07-3.98+6.04+0.04=6.38+1.17+6.8-1.82=8.32-5.49-0.25+6.65=8.05-7.58=9.93-3.08-1.96=9.55+7.79+6.92+5.05=7.49-5.1+3.91+6.73=4.38+8.45-6.73+6.78=6.87+7+4.34+7.21=6.27+4.23-8.03+9.16=7.73+5.78-3.98+8.87=0.22+1.06+0.98=9.98+8.75+7.4-2.52=6.92+5.47=9.58-2.4+8.77=1.16+9.33-4.69-0.99=9.77-4.81+6.08=6.53-1.78+4.63=9.36-0.95+7.39-1.57=6.89+5.34-1.73=9.79+5.98-0.88-9.27=9.29+9.63+4.26=6.64+9.02=8.93-3.11-4.78+7.97=9.89+4.56-9.22+8.32=0.55+9.82=8.65-1.19-5-2.05=5.4+9.19=5.31+1.21+5.82-3.5=7.49-1.35-3.36+9.92=9.92-6.23-2.58-0.03=9.18+5.1+0.66=7.86-3.26-1.91-1.37=1.88+8.94+3.78=8.83+6.58+9.59=9.1+3.5+0.47=5.59-1.79-1.36=7.08-3.1+6.61+4.31=9.27+8.4=9.64-2.97+4.8+6.44=8.86-6.71+4.53+7.48=7.36-6.95+8.8+5.18=9.8-3.36-6.2+0.3=7.95-0.1-0.37-2.02=8.64+5.97+7.31=4.57-4.44+2.44+2.53=8.88-4.64+9.3=4.4-0.19+4.66=0.29-0.16=0.38+3.92+8-8.97=8.01-6.1-0.96=5.56+2-3.2+7.8=7.95+3.52+8.28-5.95=8.53-5.84-2.11+9.21=6.43+9.71+6.93-6.96=7.39+1.89-2.89+4.67=4.56-3.45=6.17-4.49=7.19+1.73+7.12-6.42=0.22-0.05=8.85-4.92+0.89-1.81=5.21-1.55+1.37-4.88=7+1.24-4.68=0.9+2.49=0.72+4.81=8.51-2.57=7.69-1.62+4.15-9.87=7.78-0.48-2.02-4.17=8.51-1.39+6.06+7.68=5.88-0.38+7.96-3.24=6.27+9.98=9.02-7.73=6.09-3.92-1.8=4.21-1.45-0.27=4.44-3.81=2.07-0.43=8.03-6.31-1.48+9.35=7.22-1.76-3.01=6.39-0.51-5.4+7.26=8.29-0.14+3.98+6.96=9.79+8.75+9.95-8.01=9.5-2-1.24-1.04=5.09-0.62=4.99-0.85-0.32=2.96-2.86=6.87-2.91-0.88+5.38=0.25+9.13-0.13-2.49=4.43+8.87+8.79=9.49-2.09=8.53+9.19-7.05-6.6=9.72-6.13=5.41+7.25-0.5=6.88+4.62-1.49=8.69+9.78=7.57-4.21-0.64=3.15+2.41+5.41+3=5.51-0.97=7.46+3.08=9.97+4.81+6.58-2.21=3.74+2.94+0.23+9=0.39+8.74+4.13-6.53=2.48+3.97+9.37-0.7=8.95+3.43-5.96-2.48=9.45+5.69-0.9-1.64=7.44+8.93-4.41=7.76-5.01-0.28+7.01=5.73+6.05+2.69=8.64+4.11-5.76-0.47=9.37+7.02+8.6-7.14=9.78-1.4-8.01+7.1=6.84+7.07-0.08-2.61=9.33-3.96+4.64=3.45+7.33+2.71-6.08=9.25+2.03-2.32-1.91=7.4-0.08-5.09=2.61-0.96=6.64-0.41+6.9=5.26-0.22+5.01=8.91+4.29+0.8-4.86=4.69-4.02-0.07-0.26=3.44+8.7-1.22+0.53=4.42+6.39+7.72=1.05+4.51-1.51-1.1=3.99+5.75-8.97+2.64=3.11-1.22+4.05=3.2-1.22+0.63+4.62=9.1+4.22-3.53-1.78=5-3.97=8.75+2.21-2.87=9.42+4.15-6.99-4=8.35+8.61+2.58=9.04-3.11-2.73-1.72=8.01-4.36-0.03-1.14=7.31-4.09+9.27+5.27=3.75+8.77+0.76-8.45=4.83+6.23+6.11+2.37=2.67-2.43+7.9=5.75-3.19+3.75=5.31-1.84-1+6.29=7.59+6.06=3.46+2.44+1.74-2.25=3.84+8.08-3.25-6.56=5.08+8.47-7.86=2.34+6.28+0.49+0.34=1.2+3.83-2.89=4.05+0.81=8.34-1.91-0.11=1.13+3.26=9.38+6.96+4.06+2.76=7.67-6.08+4.65=5.24+4.19-8.16=7.58-5.82=7.42-0.16-0.13=2.7+9.54-0.82+4.19=7.89+8.82-3.82+7.72=1.23+6.37+7.29+0.31=4.46-1.19+1.53+9.33=5.25+6.39-5.26+0.44=9.91-2.07+6.68+0.52=0.91+5.05-2.67=7.64-2.07+7.8+0.09=8.09+8.67-9.68=8.18-0.36+6.33=1.12+7.75+4.38-7.39=7.94+1.7=4.83-3.12-0.8+6.57=9.14-1.34+8.57+4.06=3.13+7.64+7.76+5.95=7.76+8.59+5.75+6.09=8.88-0.58-1.97+2.44=7.41-1.36-5.14-0.47=4.02+6.79-2.4=4.58+8.98+3.66+2.56=4.24-3.19=3.37-3.27+6.01-5.36=3.87+8.26-2.56+1.12=5.47-3.73+0.96=7.63-1.33+2.01-5.75=9.33+5.26+8.5+1.36=6.51+1.87+6.56=7.68-5.18+1.7+0.64=9.15-1.39-5.31+1.11=3.75+5.18-7.52+7.59=0.87+7.4=4.58-3.33-0.6+9.19=6.31+7.32-8.57-0.13=0.84+6.62+4.28+8.93=5.5-1.33-2.88-0.82=4.21-0.75=4.65+2.64-4.23=9.21-5.36-0.14+7.31=9.04+2.32=5.26-0.4-0.96+5.07=1.65+9.4-2.62+7.04=8.35-5.71-1.34=3.86+8.39-0.38-5.16=6.43-3.45-0.34=5.04+5.43=5.39+4.76+7.6-0.22=9.86-0.36-1.74=3.55+3.72-3.94+0.1=9.83+3.62+0.33-3.35=8.9-1.19+0.41=5.53+7.61-4.96-7.58=2.14+1.64=8.62+6.98+6.49-2.44=8.3+2.7-7.57+2.8=0.41+2.11+3.97-6.14=9.6-2-4.87+2.74=6.79-6.43=6.7+9.55-3.14-1.41=2.5+0.99+7.35=9.12+1.15=7.18-0.54-5.02-1.24=8.6+3.19+4.89+4.42=8.72-7.22+9.26+3.21=9.48-2.35-2.3-1.03=6.8-3.3=7.88-2.9-1.89=9.65-1.76-7.52=9.9-1.51-2.63-4.5=7.64-3.47+4.25+2.12=7.15+9.78+1.33=7.9-6.84-0.41=3.29+1.9+6.64-7.6=3.69+5.42+4.25+8.3=9.03+5.15+4.04+8.22=7.27-0.13-1.57+6.85=1.97+5.21-1.9-4.94=0.53+8.83-9.14=5.42+3.09-0.59-3.07=7.88-6.96=9.71-0.96-1.58=8.43-2.75-0.4-1.25=6.56+0.77-5.4=5.39-2.3-0.47-1.72=5.2-1.86+4.14=9.88+2.8-4.97+8.65=8.95+4.75+5.82=4.44+2.32=8.09-1.99+9.06=6.9-0.33+9.46-2.07=1.11+0.55+5.65-2.54=3.73+9.05=1.54+7.99=3.13+9.11-7.27+7.59=3.03+5.41-1.59+4.31=7.74-6.19+5.22+2.41=9.15-8.76+5.4+7.87=0.98+7.16+0.22+7.11=5.14-4.52+6.82-2.61=6.21-2.35+7.73-6.04=0.54+9.34+2.43=9.59+2.07+3.19=7.59-1.1-4.18=6.86+1.52-6.53+2.87=7.85-4.87-2.27=9.62-2.32+0.55-1.5=5.66+8.34+8.49=8.61-0.58-2.97-3.54=5.73+4.39-1.16=6.87-0.47-5.75+3.05=5.84+3.77+8.73-2.58=8.71+5.37-2.37-2.57=9.61-1.42-5.73+8.41=3.22+2.15+5.36-2.19=2.8+8.99-2.95=7.85+3.25+8.63-8.42=5.8+5.53+1.7-8.8=6.97-1.56-2.96+4.13=7.3+9.26+4.1+4.57=9.08+1.33-3.39=5.27+1.07-2.63-1.28=8.4-3.57=9-3.14+9.87+0.39=5.76-3.42-0.44=3.97-0.36+6.21+8.29=2+8.7-7.1=3.66+9.33-5.61+7.43=7.13+4.76+6.15-5.32=9.63-1.95-2.49+3.38=7.45-0.08-5.35-0.24=9.08-1.41+9.04-0.02=1.1-0.94+8.06=6.79-4.65=9.44-4.43+6.89-7.85=7.58+4.77+9.16-5.5=7.87+0.68-6.84=6.93-1.13+4.29=8.24-0.19-5.88+1.8=8.61+6.72-5.87-0.39=9.79-4.52-0.77+8.04=4.27+7.42+0.71+5.73=9.13-5.81-2.07=7.76-0.15-2.98-3.31=6.24+9.39+3.19+6.07=4.18-0.83-0.9=3.5-1.27=9.83-7.61+8.63-7.12=3.47-2.94+4.63=1.17+8.71+7.75=7.86-1.29-0.7=6.37+0.94+0.36-0.91=9.97-2.58-2.42-2.13=7.7-0.99=8.36+0.35+0.9=7.14-1.39-2.57-0.57=9.75-6.44+9.21=6.66+8.74+2.34+6.6=9.1-1.93-2.75-1.94=9.83+5.21-9.77-4=4.33+6.85-1.39=8.92-7.16+0.31=3.94+4.09=8.11-7.09+8.58+6.91=5.99+3.17=4.86-1.02-0.95+4.55=9.51-2.59+0.47-5.82=2.11+1.02+7.7=7.47+0.91+3+9.16=8.78-5.08+5.22-3.28=7.45-2.43+5.52-5.41=9.49+3.07-4.77-1.63=1.48+9.07+3.94+6.19=7.03+8.79-2.75-3.48=5.59-3.98-0.09-0.63=9.53-0.53-1.34-4.72=参考答案7.97-2.78-2.47-1.44=1.289.08-2.62+4.4-6.1=4.765.13-1.99+2.52=5.665.94+2.6+8.61-8.25=8.92.36-0.7+9.48+4.06=15.28.74-4.49-0.23-3.43=0.598.08-4.36+5.37-6.69=2.47.09-3.32-2.65+1.21=2.339.86+3.87+2.97-2.9=13.85.97-0.06+7.64-5.51=8.040.75+1.36+8.36+0.62=11.096.47-3.21-1.34+4.42=6.343.54-1.32+5.65-2.72=5.158.12-3.65+9.77-1.32=12.922.16+9.05-9.03+3.52=5.76.38+3.52+3.68-7.5=6.085.59-3.55=2.049.7-0.89-6.17+0.99=3.630.22+6.71=6.937.81-1.12+6.48-2.94=10.238.77-2.67+5.79=11.893.94+5.11-3.74+9.86=15.176.59+6.3+5.58=18.477.57+8.01-4.26=11.321.67+6.48+9.41=17.565.38+7.58-7.86+1.4=6.56.46-0.02-5.82=0.628.86-2.15-4.3+3.73=6.148.24-0.21+5.17-1.25=11.955.12+2.23-0.31=7.047.33-5.2+2.94-3.1=1.979.07-0.27-3.39=5.417.98-3.61+5.07+2.01=11.454.41+1.56-3.31+4.07=6.736.96+9.05=16.016.36+8.69+5.4+5.24=25.690.99+0.72+1.32=3.034.95-1.67+9.81-7.41=5.687.58-1.84-1.86=3.887.87-1.36+2.15-6.33=2.334.81+3.95+2.14=10.97.01+8.32-1.72=13.617.72+3.17-1.59=9.31.24-0.02=1.226.63-2.16+1.13+6.1=11.73.79+7.33+6.45-2.85=14.725.83-3.02+9.4+7.99=20.28.76-1.48-4.96-1.36=0.967.12+9.38-6.12-2.92=7.464.93+3.02+6.83+8.76=23.549.3-1.42+1.25-6.15=2.984.53-1.4+2.2=5.331.56+2.07-0.63=37.78+7.27-6.27-5.48=3.39.17-0.04+0.09+9.84=19.063.16+0.58+8.11=11.858.59-1.66-1.88=5.052.02+6.96-5.06=3.924.27+6.81-0.45-8.29=2.345.63-1.09+6.73+0.98=12.257.16-0.28+5.44=12.322.27+9.26-9.6=1.938.92-0.51-4.9-0.27=3.240.59+4.52-1.28+9.01=12.848.62+7.78-3.88=12.525.72-4.53+5.06-2.74=3.516.82+5.13+2.19-8.58=5.569.68-6.5+5.84+4.57=13.596.93-5.38+5.77+1.99=9.316.33+8.14+8+1.5=23.975.93+1.31-6.48+3.38=4.144.52-0.81+9.7-0.56=12.857.24-3.02-3.61=0.619.98-0.41-7.03=2.546.22-5.16+5.95+3.36=10.377.21+1.66+1.17=10.049.44+5.72-8.24+6.27=13.198.66-1.27-0.08+2.08=9.398.05-0.98+1.29-4.96=3.49.4-2.87+0.79-2.62=4.77.09-1.87-1.69-1.33=2.24.21-0.13+3.32-4.91=2.492.83+0.3-1.33-0.98=0.826.02-2.6=3.429.87+5.92+4.3+4.18=24.279.37-8.18+4.87=6.066.8+6.13+6.18=19.118.01+1.01-7.27+7.92=9.674.79+2.21+7.88-9.87=5.016.83-1.1+3.01=8.740.02+9.52+2.62=12.165.15+7.06-4.36=7.859.8-6.39-1.59+4.56=6.387-4.41-2.1=0.496.06+1.29-4.07=3.285.81+7.82-8.96+1.15=5.828.99+4.76+5.7=19.451.13-0.96=0.179.64+7.43-3.35=13.721.15+2.08+1.2=4.434.15-0.72+5.93=9.364.51+2.81-1.47-2.97=2.886.78+6.05-7.91=4.927.32-4.1+1.61=4.837.4+1.61-1.5=7.513.76-0.61+9.21=12.363.79-1-2.09-0.5=0.22.57-1.97=0.62.87-1.37=1.58.41-1.19+7.33=14.559.53-2.77-3.32+8.09=11.539.51-0.1+7.31-5.9=10.829.86-1.57-2.45+1.56=7.47.78-5.92+2.03=3.891.46+7.84+8.61+9.69=27.60.46+4.36+4.12-5.84=3.17.03+2.94-1.3+4.54=13.214.69+7.67+6.01+1.34=19.717.18-1.35=5.830.11+3.72=3.837.85+5.76=13.618.71-0.73-7.73=0.253.59+1.74=5.337.91-2.82-3.15-0.72=1.225.13+8.42=13.558.2-4.13-0.12-2.94=1.012.96+9.69-4.54-4.23=3.885.3-3.81+5.56+3.25=10.39.73-4.8-3.07=1.869.25-4.09-2.54+3.69=6.319.31-0.72-2.32-1.51=4.768.05-2.94+8.36=13.478.94-8.19+4.51+3.86=9.125.74+3.47+4.34-4.56=8.997.36-2.71-1.04-0.04=3.576.36+5.16-8.74=2.785.93+6.86+8.63+3=24.429.79+7.79=17.588.11+8.08-7.85=8.348.25-1.46+0.62-2.07=5.349.47-4.61=4.868.09-1.54+3.68+7.07=17.37.37-0.31+5.25=12.319.65-4.11-0.55-1.1=3.896.57+6.66-3.34-7.85=2.048.8+1.79+9.85+6.51=26.959.08-3.11-4.28+7.66=9.358.66-3.56-2.28-2.47=0.356.38-0.22-4.38=1.785.4+0.23+9.92+2.49=18.042.02+7.85-1.63-5.01=3.235.3+9.47-6.63=8.141.4-0.22+9.43+9.09=19.76.01-0.51=5.54.95+3.4-5-3.15=0.28.86+7.61-9.32-5.66=1.492.59+7.74-3.44=6.898.54+4.26+7.37+1.76=21.932.62+7.15+1.94=11.715.41-1.57+8.36-6.27=5.935.46+4.14-1.92-5.03=2.656.11+1.27=7.384.84+9.61-9.53+9.11=14.031.96+5.22=7.182.14+7.25+2.09=11.486.59+7.48+2.82=16.898.26-4.74+4.28=7.88.93+0.37=9.35.53-0.25-3.12=2.169.86-1.19-4.37-0.79=3.516.45-4.83-0.52=1.10.67+6.49-0.82+2.87=9.214.29+1.89+4.42+2.72=13.329.27-1.21=8.064.53+4.18-5.28=3.434.78-2.9-0.47=1.417.69-2.3=5.398.32+9.42=17.743.32-0.75+1.47=4.042.79+4.05-4.16+3.99=6.677.18-0.65-0.4-2.85=3.283.79+2.98+2.92+2.36=12.056.49+3.4+9.69=19.588.69-2.63-0.27=5.799.08-7.23-0.99+9.09=9.957.11-4.81=2.34.35+7.61-0.93-6.07=4.968.75-1.69-6.51+9.58=10.133.36+8.93-7.77=4.525.66-4.86+8.35-4.92=4.236.31+1.5+5.62+7.74=21.177.52+3.35+0.15+4.89=15.914.79+0.18+6.08=11.056.81-1.79+7.24-4.61=7.659-0.15-3.11=5.746.6-4.47+7.86-4.1=5.898.19-0.92+3.12=10.398.37+7.97-5.84-2.01=8.493.44+1.16+8.93-9.98=3.556.6+8.09=14.695.34+9.09-5.29+9.57=18.719.44-9+4.82-3.01=2.255.03-2.56+8.46-7.69=3.240.95+5.57+5.46+0.9=12.887.62-1.85-0.02+7.42=13.170.82+8.9=9.724.35-0.33=4.028.73-7.17+6.01=7.577.51+3.38+0.18=11.072.55+6.86-8.59+9.57=10.395.77+7.51+3.2+0.92=17.47.35+6.01+3.54=16.97.41+4.09-7.28+1.49=5.715.86-2.75-0.56=2.558.36-2.48-0.03-2.62=3.231.78+5.49+8.27+8.19=23.738.25-2.35-0.41+5.67=11.166.04+4.35+2.14-1.34=11.194.08+4.02-2.59+7.9=13.419.47+6.57-7.66=8.389.53-0.47-2.77-2.58=3.718.54+5.58-6.77=7.351.94+5.77=7.719.16+5.75-0.42-3.17=11.323.25-0.15+5.1-1.46=6.746.45+2.7+5.42=14.575.09+2.5-5.05-0.58=1.969-0.17-4.78-3.28=0.776.11+6.39=12.55.92+5.17-1.02-8.43=1.649.38+7.06-5.57=10.876.61-2.83+2.55+0.98=7.311.01+4.07-1.72-2.06=1.32.9+1.46+1.27=5.639.4-2.4=76.23+2.88+5.63-7.93=6.815.63-1.86+6.38-9.56=0.597.61-2.48-1.06-2.27=1.86.3-5.68=0.627.36-1.24-2.58-1.15=2.393.72+8.66+8.75-1.94=19.196.38+9.81-3.36-2.95=9.888.31+3.22-3.36+3.59=11.760.46+4.23+1.73=6.429.29-1.83-5.61+5.79=7.640.05+1.13-0.32=0.869.14-3.85-0.52=4.778.84+0.04-6.85+9.53=11.566.3-3.48+9.8+9.22=21.840.82+6.91+3.67=11.46.44-1.37-0.92=4.156.63+5.74+3.58+9.85=25.87.45-1.48+1.6=7.571.95-1.6=0.355.86+7.29+8.41=21.568.6+9.09-7.36-8.93=1.44.47+9.87=14.345.14-2.27-0.78=2.095.54+7.14-3.49+7.07=16.266.46+4.86=11.329.66-5.48+4.25+7.12=15.556.57-3.06-0.13-0.9=2.486.6-2.04-4.21+7.1=7.453.53-1.95+8.06+6.41=16.053.41+2.45-4.49=1.374.7+3.6+5.78+9.05=23.137.25-6.25+5.16+5.17=11.339.82-2.15+3.88+3.58=15.132.7-0.5-0.98+6.51=7.739.95+6.14+2.01-4.07=14.037.93+1.67+7.68+9.62=26.95.87+7.3+8.5-8.51=13.169.2+7.23=16.438.58-0.34-2.9+3.01=8.356.06-5.11+3.81-2.38=2.389.26-1.1+7.04-2.35=12.856.42-1.17-0.57-4.29=0.398.01-6.79=1.226.68-0.48+2.41+1.65=10.268.02+4.93+9=21.956.73+3.84+3.77=14.347.97-2.9-2.26+1.31=4.127.92+6.74-0.74+2.03=15.958.14-3.8+2.89+5.46=12.694.65-2.01+4.39-3.26=3.778.23-1.38+0.5+2.51=9.865.93-2.12=3.816.84+7.65+7.14+6.26=27.898.41-3.32+7.2-7.53=4.761.54-0.64+7.52-4.63=3.792.13+3.42=5.559.87-4.7-3.12-1.77=0.285.29+1.11-1.7=4.79-1.65+2.32=9.677.49+2.29-6.23+8.63=12.180.97+5.57=6.549.36+7.18+6.43+5.8=28.770.18+5.9=6.085.37-0.55-2.82+3.63=5.637.61+7.44-4.56+8.4=18.895.07-0.81-2.81=1.456.12-0.63+6.92=12.418.38+4.4+7.96+0.88=21.628.75+1.55-3.68-3.75=2.875.75+0.17+2.32-1.69=6.559.29-7.17-0.76=1.369.78+1.15+0.6=11.539.57-3.99-3.52=2.069.09+5.33-7.97-2.68=3.774.76+9.69-1.59-9.04=3.824.03-1.6=2.436.75-3.98=2.777.48-0.84+8.13-9.53=5.241.78+6.35=8.136.5+6.7=13.28.31+8.75-4.98=12.080.23+7.51+7.37=15.115.33+6.59=11.927.31+8.92-4.82=11.418.52-1.79-5.71+6.41=7.437.18-5.27-0.25-0.15=1.512.51+3.88-4.62=1.778.56+8.91+4.78+4.29=26.541.72+6.93-5.78-2.41=0.464.65-0.86+2.27=6.062.46-1.41+5.21+7.36=13.626.95-1.42+8.39=13.928.91-5.73+9.15-0.8=11.536.78-1.36-1.93+8.59=12.080.86+4.6+8.74=14.25.74+0.57-1.78=4.530.54+9.9-1.07-0.04=9.335.22+9.52-1.3-2.56=10.887.31-3.31=48.44-3.18-3.41+8.01=9.868.48-1.88+3.95=10.553.85+8.44-8.88+1.01=4.425.94-1.03+6.98-0.48=11.410.84+0.25+3.06+5.3=9.450.2+3.02+6.7-0.19=9.737.56-0.32+5.65+8.75=21.647.12-2.17-0.8-1.1=3.055.5+6.99-1.16+0.12=11.452.79-1.7+0.58=1.678.42+4.3+8.12-6.77=14.076.02-1.01-2.13=2.886.34-5.09=1.253.63+8.17=11.83.69+3.26+5.15+7.8=19.98.43-0.28-2.81=5.349.75-3.01=6.745.22-2.5+4.84=7.569.25+0.05=9.33.7+9.03-3.71-0.38=8.648.72+8.48-0.45+0.72=17.478.48-1.6-2.01-3.49=1.382.46-0.27+2.9+7.61=12.76.81+6.2+8.32+6.78=28.116.73-0.91-5.71=0.115.04+4.37+0.76+2.65=12.828.61-4.13-4.25+7.55=7.780.39+5.45-1.07+9.51=14.285.81-4.65+0.85-1.43=0.586.75-3.31+9.32=12.763.07-0.05+2.3+3.83=9.156.24+9.19+2.55=17.985.61+9.44+9.73=24.787.94-5.49+6.87=9.324.49+8.82-4.66+8.88=17.535.95+1.18+3.34=10.478.25+7.03-0.63+3.54=18.193.51-2.1=1.419.14+8.01-4.8+8.83=21.182.5-0.88+0.96=2.581.22+4.42=5.648.76+6.53-1.02-0.3=13.976.44+9.03+8.59-9.41=14.659.51-4.25+6.97-2.33=9.98.65-5.16+5.26+9.64=18.394.41-1.22+9.29+7.77=20.255.19-3.04+5.64=7.795.07-0.35+7.19-6.71=5.29.4-1.56+9.53=17.378.5-8.27+9.58+6.01=15.826.73+8.32-3.45-3.02=8.584.31-4.11+5.96+9.49=15.652.63-1.97=0.666.06-1.38-0.99-1.37=2.328.2-1.08-4.41-2.54=0.175.21+9.36-0.49+9.03=23.116.82-2.07=4.753.23-0.3-1.14=1.798.86-0.57-5.28-1.31=1.78.78+3.7-6.25+6.17=12.47.24-2.2-3.67=1.374.44-0.33-3.05-0.81=0.255.43+6.82-4.97=7.282.91+7.07-6.29-0.43=3.268.44+2.43-7.33+5.3=8.847.69-0.36-1.01=6.328.34+3.65+7.67+1.63=21.296.26-0.36+4.01+5.97=15.889.97-5.79-3.38+1.47=2.278.15-4.13-2.72+0.47=1.778.16-5.84=2.325.28+3.51+1.96=10.757.17+6.07+2.86-3.79=12.316.06-3.54-0.05-1.31=1.162.94+6.44+4.8-1.11=13.077.54+9.76-0.17=17.131.51+0.5=2.016.98-3.29-2.67+1.72=2.740.04+7.77=7.812.73+6.71+6.28-6.14=9.586.39+1.04+6.02-7.84=5.614.9-0.68-2.79=1.439.59+3.2-9.12=3.678.76+4.02+0.84=13.626.36+3.77=10.135.18-2.63+5.82=8.377.38-1.24-1.09+7.98=13.037.71+3.47+3.5=14.684.34+1.04+5.81+4.66=15.851.49+4.05+7.87-0.81=12.64.99-3.73=1.265.25+9.7-2.49=12.468.23-0.88-0.32=7.039.26+9.82+8.1-2.27=24.919.63-0.58+5.94=14.995.07-3.98+6.04+0.04=7.176.38+1.17+6.8-1.82=12.538.32-5.49-0.25+6.65=9.238.05-7.58=0.479.93-3.08-1.96=4.899.55+7.79+6.92+5.05=29.317.49-5.1+3.91+6.73=13.034.38+8.45-6.73+6.78=12.886.87+7+4.34+7.21=25.426.27+4.23-8.03+9.16=11.637.73+5.78-3.98+8.87=18.40.22+1.06+0.98=2.269.98+8.75+7.4-2.52=23.616.92+5.47=12.399.58-2.4+8.77=15.951.16+9.33-4.69-0.99=4.819.77-4.81+6.08=11.046.53-1.78+4.63=9.389.36-0.95+7.39-1.57=14.236.89+5.34-1.73=10.59.79+5.98-0.88-9.27=5.629.29+9.63+4.26=23.186.64+9.02=15.668.93-3.11-4.78+7.97=9.019.89+4.56-9.22+8.32=13.550.55+9.82=10.378.65-1.19-5-2.05=0.415.4+9.19=14.595.31+1.21+5.82-3.5=8.847.49-1.35-3.36+9.92=12.79.92-6.23-2.58-0.03=1.089.18+5.1+0.66=14.947.86-3.26-1.91-1.37=1.321.88+8.94+3.78=14.68.83+6.58+9.59=259.1+3.5+0.47=13.075.59-1.79-1.36=2.447.08-3.1+6.61+4.31=14.99.27+8.4=17.679.64-2.97+4.8+6.44=17.918.86-6.71+4.53+7.48=14.167.36-6.95+8.8+5.18=14.399.8-3.36-6.2+0.3=0.547.95-0.1-0.37-2.02=5.468.64+5.97+7.31=21.924.57-4.44+2.44+2.53=5.18.88-4.64+9.3=13.544.4-0.19+4.66=8.870.29-0.16=0.130.38+3.92+8-8.97=3.338.01-6.1-0.96=0.955.56+2-3.2+7.8=12.167.95+3.52+8.28-5.95=13.88.53-5.84-2.11+9.21=9.796.43+9.71+6.93-6.96=16.117.39+1.89-2.89+4.67=11.064.56-3.45=1.116.17-4.49=1.687.19+1.73+7.12-6.42=9.620.22-0.05=0.178.85-4.92+0.89-1.81=3.015.21-1.55+1.37-4.88=0.157+1.24-4.68=3.560.9+2.49=3.390.72+4.81=5.538.51-2.57=5.947.69-1.62+4.15-9.87=0.357.78-0.48-2.02-4.17=1.118.51-1.39+6.06+7.68=20.865.88-0.38+7.96-3.24=10.226.27+9.98=16.259.02-7.73=1.296.09-3.92-1.8=0.374.21-1.45-0.27=2.494.44-3.81=0.632.07-0.43=1.648.03-6.31-1.48+9.35=9.597.22-1.76-3.01=2.456.39-0.51-5.4+7.26=7.748.29-0.14+3.98+6.96=19.099.79+8.75+9.95-8.01=20.489.5-2-1.24-1.04=5.225.09-0.62=4.474.99-0.85-0.32=3.822.96-2.86=0.16.87-2.91-0.88+5.38=8.460.25+9.13-0.13-2.49=6.764.43+8.87+8.79=22.099.49-2.09=7.48.53+9.19-7.05-6.6=4.079.72-6.13=3.595.41+7.25-0.5=12.166.88+4.62-1.49=10.018.69+9.78=18.477.57-4.21-0.64=2.723.15+2.41+5.41+3=13.975.51-0.97=4.547.46+3.08=10.549.97+4.81+6.58-2.21=19.153.74+2.94+0.23+9=15.910.39+8.74+4.13-6.53=6.732.48+3.97+9.37-0.7=15.128.95+3.43-5.96-2.48=3.949.45+5.69-0.9-1.64=12.67.44+8.93-4.41=11.967.76-5.01-0.28+7.01=9.485.73+6.05+2.69=14.478.64+4.11-5.76-0.47=6.529.37+7.02+8.6-7.14=17.859.78-1.4-8.01+7.1=7.476.84+7.07-0.08-2.61=11.229.33-3.96+4.64=10.013.45+7.33+2.71-6.08=7.419.25+2.03-2.32-1.91=7.057.4-0.08-5.09=2.232.61-0.96=1.656.64-0.41+6.9=13.135.26-0.22+5.01=10.058.91+4.29+0.8-4.86=9.144.69-4.02-0.07-0.26=0.343.44+8.7-1.22+0.53=11.454.42+6.39+7.72=18.531.05+4.51-1.51-1.1=2.953.99+5.75-8.97+2.64=3.413.11-1.22+4.05=5.943.2-1.22+0.63+4.62=7.239.1+4.22-3.53-1.78=8.015-3.97=1.038.75+2.21-2.87=8.099.42+4.15-6.99-4=2.588.35+8.61+2.58=19.549.04-3.11-2.73-1.72=1.488.01-4.36-0.03-1.14=2.487.31-4.09+9.27+5.27=17.763.75+8.77+0.76-8.45=4.834.83+6.23+6.11+2.37=19.542.67-2.43+7.9=8.145.75-3.19+3.75=6.315.31-1.84-1+6.29=8.767.59+6.06=13.653.46+2.44+1.74-2.25=5.393.84+8.08-3.25-6.56=2.115.08+8.47-7.86=5.692.34+6.28+0.49+0.34=9.451.2+3.83-2.89=2.144.05+0.81=4.868.34-1.91-0.11=6.321.13+3.26=4.399.38+6.96+4.06+2.76=23.167.67-6.08+4.65=6.245.24+4.19-8.16=1.277.58-5.82=1.767.42-0.16-0.13=7.132.7+9.54-0.82+4.19=15.617.89+8.82-3.82+7.72=20.611.23+6.37+7.29+0.31=15.24.46-1.19+1.53+9.33=14.135.25+6.39-5.26+0.44=6.829.91-2.07+6.68+0.52=15.040.91+5.05-2.67=3.297.64-2.07+7.8+0.09=13.468.09+8.67-9.68=7.088.18-0.36+6.33=14.151.12+7.75+4.38-7.39=5.867.94+1.7=9.644.83-3.12-0.8+6.57=7.489.14-1.34+8.57+4.06=20.433.13+7.64+7.76+5.95=24.487.76+8.59+5.75+6.09=28.198.88-0.58-1.97+2.44=8.777.41-1.36-5.14-0.47=0.444.02+6.79-2.4=8.414.58+8.98+3.66+2.56=19.784.24-3.19=1.053.37-3.27+6.01-5.36=0.753.87+8.26-2.56+1.12=10.695.47-3.73+0.96=2.77.63-1.33+2.01-5.75=2.569.33+5.26+8.5+1.36=24.456.51+1.87+6.56=14.947.68-5.18+1.7+0.64=4.849.15-1.39-5.31+1.11=3.563.75+5.18-7.52+7.59=90.87+7.4=8.274.58-3.33-0.6+9.19=9.846.31+7.32-8.57-0.13=4.930.84+6.62+4.28+8.93=20.675.5-1.33-2.88-0.82=0.474.21-0.75=3.464.65+2.64-4.23=3.069.21-5.36-0.14+7.31=11.029.04+2.32=11.365.26-0.4-0.96+5.