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7.51-4.49=9.56-3.45-5+7.96=9.88-3.14-3.31-1.97=9.02-1.1-0.25+1.46=7.76-1.6+2.1-1.26=9.87+1.67-7.35-3.13=6.77-2.37+4.28+4.55=5.07+1.78-2.89=7.33-5.38-0.07-0.67=5.79+0.4+2.79-0.22=7.43+6.29=9-3.79=7.73+7.13-0.46+1.71=6.88+6.67-7.74-2.83=3.59+1.39+0.81+4.36=6.47-6.21=5.21+9.74+6.58+6.87=9.72+6.83+7.8+1.72=0.69+9.36+8.46-7.73=9.47-8.28-0.69+0.14=3.81+6.68=9.38-1.5-3.91-1.3=4.71-1.94+6.83=5.09+7.47-0.92-1.98=5.94+7.4-3.37-9.53=6.99-2.01+0.61-2.73=7.06-1.24-0.03-5.1=6.15-1.93+2.17=3.84-0.84=6.92-3.87-0.82+1.34=3.98-2.02-0.54-1.25=7.81-0.87-1.88-2.2=1.16+8.24-5.64=8.04+1.04-8.7+7.98=5.83-1.93-3.61+6.96=3.11-0.96+2.82+4.72=6.06-4.79+3.6+8.14=5.4+1.77-6.13=8.68-1.56-0.55+1.34=5.48-2.8+4.99=7.03+2.73-2.02+3.4=8.66+6.04-1.72-5.68=5.74+5.84=9.74+6.77=6.95-3.08-1.46+9.68=6.26+3.58-3.34-2.03=9.34+4.2+4.15-4.35=6.77+3.45=8.17+4.55-0.45-7.35=5.94+3.92+4.49-8.78=7.09-1.4+4.18-3.87=7.07-0.02-0.32+6.41=7.71+2+0.13=6.47-2.71-1.55=9.13-4.67-0.04-4.06=2.62+3.79+4.76-2.02=5.32+2.82+6.06+2.57=3.55+7.55-1.64-5.6=2.33+1.37-2.19=9.85-4.78-1.43-2.04=7.58+8.69+7-7.56=4.03-2.4+1.42+4.23=0.46+4.7-3.89+2.25=7.26+1.23-1.97=0.41+7.17+7.22-0.08=4.46+8.31+9.16+3.3=9.68-9.27=7.87-1.04+7.71-0.15=6.26-0.59+7.21-9.13=8.3-1.97+1.15=0.63+0.84+4.89=9.68-0.17+7.36-8.28=6.7-6.14+4.84=8.35-0.69-5.35=7.66+1.17-3.93+0.65=0.94+7.2+3.52-8.54=3.5-1.64+4.32=4.98-1.27+9.4-0.78=0.06+9.95-4.8=5.57-3.34+3.81+3.4=9.95+7.62-4.45-8.9=0.85+0.2+2.36+0.97=7.58+2.71=4.48+2.28+7.56-4.53=6.27+1.73=6.39-0.24+9.8=7.46-1.91-0.09-1.08=2.39+5.15+8.5=8.3+6.66-9.23+8.13=8.31-2.42-0.34-0.4=7.96-4.14-2.11=6.19+1.61+3.15=1.96+7.06+7.63-9.95=9.67-7.4-0.26=3.86-0.73+9.6=9.9-1.22-0.8=0.15+5.69+9.58+9.81=8.58+8.01-1.79+7.58=8.53-2.68-2.33=6.68-2.61+8.17=9.48-0.19-3.27-1.24=5.26-4.53+6.95+1.56=9.13-0.9-6.09+6.16=4.55+4.44-3.06=3.61-0.28+2.79-5.18=6.83+2.7-0.6+6.21=4.5+8.86+6.02+1.91=4.39+5.18-2.6=1.55+5.38+2.75+9.17=6.77-0.27+8.57+1.17=7.9+2.36-0.09-6.93=2.38-1.46+9.71-4.25=9.47-2.55-4.09-0.34=6.52-5.78+7-2.5=1.72+3.54+8.22=8.79+9.85+9.14-3.27=9.95+3.36=2.73+0.9-0.39=1.09+8.02+2.13-5.31=2.6+6.08-6.34+4.11=6.72+4.64+2.46-8.82=4.4+8.32+2.03+3.99=7.21-0.89+7.31+9.64=9.4-0.08+5.11=4.7-0.15+8.08-0.59=7.34+5.71-8.87-0.71=8.89-0.55-5.82=3.78-3.54+6.52+2.97=7.02+3.37-2.86=7.46-6.86+7.63=0.4+2.19+6.04-2.91=3.88+6.41=8.22-0.4-2.22=8.63-0.76=4.14+9.57-6.9=5-4.07=3.01+8.96-5.93-4.29=8.93+6.74+2.16=8.61-2.42-3.96=5.23-2.62+3.38+9.92=9.82+4.87+3.61=8.12-7.17+5.66+5.57=3.5+6.89+2.05-7.32=8.34-1.3+7.78+4.65=5.7+9.69+3.85-3.49=7.82-4.86-0.83+2.61=3.76-1.78+8.03-9.57=6.79-0.71=7.88-6.73-1+9.94=1.77-1.49+4.42+4.95=7.99+0.02-0.25=8.09-2.93+9=8.42+7.2+0.94-1.94=5.28+4.33+1.4=8.06+0.13-1.04=9.38-3.89-3.15=7.89+2.76-7.11=4.14+5.48+4.96-6.36=7.88-2.5=9.82-4.37+1.96-2.83=5.08-4.38+8.6+2.88=7.71-6.84=6.25-2.42-3.39-0.28=6.26+8.89-3.37+1.05=7.88-1.56-2.12=6.14-1.31=7.32+9.86+9.42=6.07-4.01=6.29-0.44-3.72+1.4=4.56+3.96-4.01+3.75=3.67+6.5+3.64+3.99=9.79-1.4-5.87+8.38=7.82-4.18-1.62+5.75=0.22+9.09-3.59+8.86=6.76-0.57-0.05+1.25=8.69+2.38-2.06=9.26-2.09-5.11=8.87+5.5=6.37+6.2+7.5+9.5=5.97-0.27+7.8=7.97+8.89-7.68-3.6=7.56-3.82+2.63+8.9=4.84-3.97=7.12+3.08-2.02=8.54+0.95+8.88=5.59-0.58+8.44+3.61=7.06-4.21+4.4=3.76+8.32-2.71+3=1.02+9-3.09-4.64=2.46+3.74-3.58+0.3=7.85+8.92-9.18=2.1+1.14=7.63+8.2+1.46=9.83-0.65-0.44-1.69=9.21-4.92=9.67+9.73-3.39-1.82=1.09+2.84-2.12+7.57=6.91-1.08-3.08+4.48=8.64+8.13-7.6-6.59=9.56+5.9-7.16+5.76=3.87+3.19+4.77+3.13=2.73+7.22+0.83=8.69-0.24+6.86=8.78-7.53+0.87+6.08=4.62+6.38-5.25+1.99=8.99-7.93+5.11+8.98=9.99-4.71+0.58+2.58=9.46-5.98=9.07+9.4-3.26+2.7=7.28+0.55=8.24+6.01+2.75=8.91-1.5-0.66-4.5=5.42+8.51=4.49-1.44-0.9+2.29=3.87+7.99=6+2.22-5.93+0.98=3.24-0.07+0.6=2.52+5.69-7.08=6.44+5.04-6.27=4.59-3.68+7.72+2.04=2.27+6.08+5.04-0.07=0.04+5.02-0.36-2.55=3.17+5.16+4.17+0.52=1.13-0.99=7.35-3.87-2.38+6.02=3.43-1.69-1.15=8.15-4.69-1.95=6.39-2.32+8.9-8.24=8.14+3.91+7.8=5.89-5.5+5.26=0.34+8.39-1.6=9.79-4.46+7.74=9.48+1.01+7.23+1.81=9.74-2.2-2.79-0.82=8.66+8.03-8.14-6.82=8.27+5.02+9.62=6.6-1.63-0.4-3.82=2.73+8.29+0.69-4.21=9.91-1.22-3.68=7.8-2.47-3.47+5.77=6.36-4.74-0.05-0.37=9.16+2.58-9.52=7.87-7.51=6.02-2.57+3.4+1.62=6.39-3.8-1.18+4.03=9.75-0.58-1.37-1.41=2.46+9.32-4.62=7.45+4.05=5.19-0.94=6.56-1.12=8.68-1.27+9.26+2.09=5.97-0.36+5.46+7.36=2.14-0.78-0.89+3.57=9.24-1.8+6.03-8.76=6.21-0.52+9.02-3.01=6.16-2.38-0.04-0.76=2.42+4.52=2.58+3.66-0.5=9.71-4.15+3.9=6.13+8.63+3.89-0.11=9.92-0.76+0.79+5.89=1.56+8.73-5.45-0.15=8.38-4.22-1.17=9.01-6.2=6.64-0.7+7.62-5.24=5.22+6.76-5.16-2.21=6.3-2.13+3.66+9.75=9.43+2.82-8.62+9.61=8.9-6.02-0.54-0.65=6.6-5.42=9.2-0.52-1.85=6.55+3.59=9.49-3.87-1.57=2.29+9.74+1.19+4.29=4.69+8.17-1.76=8.77+9.03-4.94-4.68=5.66+6.95+8.37-3.59=9.66-3.88+5.15-4.75=7.48+8.22+3.4=9.45-2.58-2.88=6.13-0.08-3.57+7.14=9.47-0.58-2.56-2.44=6.89-5.64-1.06+9.32=6.78-0.99=8.1-4.1+1.25-2.3=9.18+4.65-4.9=5.31-4.63+4.9+0.59=7.75-2.29+7.99-5.19=4.66+1.29=0.72+1.6-0.17=2.52+4.43-1.7=7+4.99-0.82+6.29=0.43+5.26-4.78=8.05-1.15-3.21=9.83-6.96-2.01-0.58=7.86+9.05+1.54-0.22=2.61+5.9+8.83=9.27-4.31-1.63+1.27=5.62-0.52+7.71-6.67=6.84+8.29-0.44=6.77+1.47-0.15-4.87=8.93-1-4.61=5.37+0.04-1.46+2.05=9.12-3.48-4.3+2.08=9.5-5.21=9.03-7.13+4.5=9.94-0.28-5.25+3.46=8.87-4.56-2.64+6.67=7.17-1.11=5.01-0.49+5.47-3.79=4.11+3.81+7.64+9.27=6.7+4.78+2.69=7.54-5.07-1.37=7.47-2.5-3.4=5.47+6.59+8.9-5.86=1.9+2.99=3.96+5.74-2.11-4.21=4.25-2.14+1.56+3.37=9.37-3.17-5.93+6.22=8.59-2.09=6.68+6.4+5.12+7.14=8.55-0.07+6.67=0.91+0.5+1.38=8.39+7.62+5.4+2.23=8.85+8.31+0.37-6.32=9.67+6.84-4.46+6.59=7.11-3.52+7.34-9.57=6.29-0.03-5.65=6.61+7.44+7.28=9.74-4.44-3.49=9.58+1.78+1.33=0.03+5.74-0.59-2.53=8.85+1.12-5.79+1.33=4.07-1.93+6.29-6.06=8.74-4.01+5.31-1.22=7.81-5.84-0.33-0.3=9.23-3.65-3.71-1.31=2.54-0.44+7.16-3.34=8.63+4.24-5.28+1.44=7.73-3.57-1.81-1.05=8.24-3.74+4.66=4.19+4.99+3.91-3.13=5.7-1.88-1.67+0.45=5.65+8.68+0.2=7.58-4.98-0.59=8.13-1.01-4.88+0.45=5.5+7.04-3.29-6.12=9.75-2.78-1.72-3.12=4.39+6+3.7=5.97+5.56+6.6+8.77=6.93-2.33-2.45=4.53+8.47+9.51=6.08-1.01=2.07+9.25-4.15=4.43-1.65-0.97=6.28-4.64+8.76-2.58=9.52-1.65+2.3-6.94=4.93-0.3-0.08-2.83=8.58-4.01=8.47+3.72-4.67=9.62-1.86-5.56+7.85=4.71-3.26+5.69-0.68=3.6-1.81-0.23-0.09=5.43-2.96+1.77=5.61-3.91+8.65-9.91=5.94-2.47=3.21-2.2+5.04=8.99-6.35=8.33-5.45+8.15-8.72=5.43-2.05+3.57=6.98-0.99+0.72=5.15-1.48-1.82-1.17=3.11+2.92-1.61=3.01+9.43+0.79+5.59=9.76-4.43-3.08-0.89=7.15-3.55+1.65+3.42=8.09+1.48+8.17-1.24=9.07+9.61-6.83-4.76=8.21+9.43=2.63+6.76+4.62+8.09=8.66+7.52-5.19+1.1=8.97-3.99=7.77-1.72-2.45+0.83=9.61+0.73+6.97-3.23=4.67+1.47+9.3+8.09=3.03+7.87+6.54+8.65=2.75+9.79-8.38+1.66=4.4-3.77+6.1-0.28=6.98+0.94+5.32+7.16=9.52-8.49+5.39+3.46=3.84-2.43+7.16=8.42-1.67-3.55=5.34+8.3+8.67+5.7=9.54-0.38-3.57=5.67-4.71+2.04=6.8-6.47=0.63+8.1=3.71+5.96-3.52-3.82=9.91+7.02-5.57-7.28=9.23+3.42-4.05-6.18=8.76+1.52-5.45-4.38=4.6+1.93+0.62-6.72=8.56-8.23=0.19+9.25-4.11=9.56+7.26-8.68=3.71+8.6=1.6-1.06+2.36+1.78=7.63-2.84+0.3=9.01-2.63+8.41+1.38=9.21-4.12+6.66-5.76=9.56+5.76-3.93=9.22-2.25-0.37+9.32=9.56+0.97-1.04+2.52=8.77-3.51=9.83-1.49-5.78+3.4=0.16+7.74+2.97=6.8+9.62-3.96+1.32=4.14-1.19+3.24-1.27=8.32-0.09-0.84-4.45=9.4+7.09+9.56=7.86+1.78-2.62+9.11=8.75-4.53-2.35=8.4+6.74-6.12-5.36=2.46+1.81+3.87+5.92=4.17-1.37+7.76=2.58+7.96+2.83=3.1+7.29+1.98+4.25=7.41+3.53=4.57-4.43+9.81-8.13=5.9+0.33+1.23=6.48+4.25+9.04-6.41=5.43-4.35+5.71-6.35=2.27+5.27+5.82=3.01+7.52+9.52+5.13=1.08+1.83=4.04-2.95+2.55-3.22=9.2-1.91-0.3-3.08=6.9-0.48-4.5=1.72+2.43=6.28-1.97+4.81+1.57=6.97-0.19-3.17=9.29-4.47-0.47+3.86=6.07-1.07-2.68-0.98=7.71-2.38-3.51+7.57=6.38-5.33=7.67-3.47+9.23=7.87+4+7.24=1.03+4.7+0.1=0.68+5.66-1.79+9.07=3.78+6.03+7.47-9.55=5.33-4.29+2.56+4=5.4-0.27+7.42=6.61+8.76+2.82-9.39=8.76-0.65-1.02=3.25+5.71+7.56=5.25+3.17-3.94-1.01=2.43+9.45-4.94=9.07+4.96-1.87+3=3.63+3.32+5.48-0.2=8.53+8.33=1+4.73+5.83+3.2=1.57+3.12=4+2.67=8.66-3.23+8.62+1.24=0.91+8.8-7-0.64=8.18-0.26-5.14-2.27=8.4-2.33+6.67-3.76=4.14-2.39+7.46+3.5=6.47+7.23+7.58-6.91=6.48+9.28-3.12-7.09=5.64-0.91-1.21=9.73+8.12+6.05+8.05=4.26-1.93+3.13-0.55=3.77+1.54+5.93+1.47=6.18+3.95-6.52=0.88+8.39+1.28+4.99=5.28-0.5-0.08-2.39=7.83-3.54+8.55+3.41=8.02-3.35=4.63+6.44-6.36+5.68=8.02+5.16+6.9-4.82=9.45-1.72-1.98-4.3=8.29-0.11-3.04=3.38-1.22=5.98-2.38=2.54+7.85-7.5=8.92+5.25=6.93-1.31+1.33+6.51=8.94-7.25+6.98-3.67=7.96-6.93+8.86+3.25=9.26+2.59-5.73-1.35=7.69+2.69+1.93+0.65=5.41+0.39+4.7+8.47=4.23-3.5=0.9+7.21+5.63-6.32=6.32+3.66-4.65=8.9-3.95+6.69=8.15+0.94-6.42-1.56=8.07-3.77+6.21=8.75+6.67-1.91+4.2=6.86-0.54-0.87=7.67-1.33+1.17-3.78=9.99-3.43-4.11-1.53=3.96-1.62+8.2-8.06=6.82-3.79-1.42-1.06=2+9.12-7.92+8.32=9.27+0.83-7.98=7.97-0.63+8.18=4.41+0.59+2.17+6.02=9.3+4.74-7.84=9.78+6.86-8.62+7.55=5.57+6.43+0.55+0.92=9.05-5.67-2.84=6.05+5.96=4.55-3.73=6.29+4.75+7.27-7.65=8.66+7.13=6.68-3.78+9.01=8.92+0.29+2.16=4.19+4.11+8.99=7.86+2.42=2.49+3.93+3.2+9.47=4.35+5.73-1.7+9.67=0.52-0.26=8.63+9.56-4.49=7.27-1.23-4.32+4.95=7.84-1.48+7.19+1.72=2.41-1.86+1.17=1.25+2.66+4.38-3.23=9.7+0.82-1.18=9.46-0.86-3.83-4.6=7.26-0.75-1.85-0.96=1.6+9.17-1.27-4.39=8.8+9.76+2.05+2.81=6.63-2.12-1.02+8.78=7.36+0.64=5.64+4.94+0.76-2.22=7.05-3.57=5.83-1.25-2.26=7.41+8.32-3.3-3.51=7.35-4.16-2.15=3.82+5.21+7.69-5.59=9.6+6.83-2.58+7.03=8.19-7.78+5.45-4.42=9.04-3.23-0.92-3.13=8.82+3.68-1.92-7.11=1.3+9.8-1.22+0.76=0.98-0.61+3.61=9.2-3.6-3.78-1.29=9.43+2.12-2.75=7.06-3.53-1.34=3.9-0.19+4.82=5.09-2.16+5.06=3.77+6.76+6.81+3.38=6.45+9.65=9.88-4.94+3.75+9.32=7.76-1.98+4.95+6.89=9.69-6.99+5.05=8.14-3.08-0.55-1.42=2.01+1.55+9.08-0.31=1.27+8.12=0.75+5.77-0.29-4.02=7.48-4.17=8.01-7.41+2.39+1.94=0.3+5.63-1.58+7.38=5.77+8.05-6.82-1.02=6.14+9.39-6.95+8.22=5.42+1.84+2.29=5.09+8.1+0.05-2.98=3.78-2.51+8.76-1.27=7.09-0.36-0.51-5.06=8.65-0.63-4.94+0.18=6.02-1.57-3.2=9.82-3.09+9.08+2.82=2.82+6.79=8.79+6.89-6.6+5.74=2.78-0.74=3.93+1.34+4.29=7.25+6.91=3.62+0.45+4.02=8.2-2.9-2-0.16=0.59+8.43+7.01=8.32+8.51-4.19+5.87=7.44-2.68+1.48-1.89=8.18-5.51+1.91=8.97-1.65+8.73+6.74=1.69+2.44=4.53+5.57=7.45-1.91+0.14=3.21+4.22=8.15+8.62=8.61+9.05-1.87=5.04+2.87-3.15-4.55=2.57+4.59+0.02=9.98+0.24+0.96-7.02=3.36+4.99-1.56-1.02=6.04+6.02=4.67-4.18+8.07=6.61+9.01-8.36=5.81+5.98-1.82-2.21=8.83-7.94=4.99+8.82-2.27-6.38=8.97-6.26+8.29=6.67+0.14-0.24=1.38+0.95+2.36=0.48+1.58+0.51=9.69-8.61+8.7+4.72=3.28+1.61-0.3+7.28=2.93+5.57+4.34-3.61=6.81-0.37-0.5-0.96=7.53-4.05+7.74=9.32-1.46-2.27-2.11=7.66+8.69-8.6-4.45=0.82+8.03+9.9+2.98=5.7-4.45+8.1-6.48=4.59+8.59+8.5-8=9.23-0.27=9.37+4.29-1.55-6.83=9.74-4.59-0.8=5.4+4.53=4.8+9.28=2.63-1.8+5.59+7.32=0.22+9.75+8.51+5.77=7.79-3.14+0.98=5.4+7.97+7.08=8.81+1.94+3.9+2.1=9.43-3.96-0.97+3.01=6.03+4.49-5.02-5.17=3.58+7.36+4.21=4.15+8.45+4.68=9.19-1.91-3.55+0.88=7.03+5.67-6.34+2.3=9.27-1.4-4.32=7.9+2.86-1.75=7.67-0.55-2.68=8.53-1.8=6.78+7.59-7.67-5.63=5.14+2.67+1.52=6.15+0.28+8.88-4.85=9.92-3.58-2.59=5.6+8.97=8.19+1.19+5.95-4.27=9.78-2.9+8.61-4.52=9.29-2.84-0.45=5.06+0.9+2.61=8.44+2.36+1.66+8=5.55-0.41-1.51-1.84=3.41+0.96-3.19=1.18+3.79+2.14-4.77=4.6-0.4+2.13-5.15=9.08-1.95-4.73-0.58=7.41+6.23-6.04+7.69=7.04-4.45=7.54+4.97-8.65+7.69=7.73-2.78+1.14-4.69=7.94-2.48+9.92+6.88=9.12-1.02-7.82+9.63=6.25-1.8-3.76+0.17=9.52-0.53-2.73-5.23=3.69+0.53=8.67+6.11-7.29+1.13=0.91+5.89+7.2+1=9.34+8.71-3.92+5.01=3.42+4.62+5.37=6.75-2.78-1.92+1.16=5.82+7.86-8.88=5.22-5.11=2.91+5.78-6.4-1.04=9.7-8.55+6.59=8.73+6.66+5.73+2.5=2.67+7.74+0.62=8.75+9.84=5.02-1.04-3.01=8.39+3.07=9.39-3.38=9-3.74-3.31+2.87=7.01+1.3=6.1-1.25-3.28+5.6=9.86-1.24-2.08=8.98-0.08-6.79=5.9+0.7-3.84=3.77-2.86+3.73+3.13=4.91+0.59=5.94+8.83=9.38+0.16-5.04=8.12-7.87+0.69=5.77-2.68+9.18-8.83=7.2-0.76=9.01-5.44=7.5-6.11+3.4+3.08=8.67+8.26+0.62+5.86=6.63+7.07-4.29-2.14=7.38-1.95-1.15=9.9-6.73-1.48-1.31=6.26-4.79+5.17+1.89=8.24-4.18-0.85-2.14=8.81-3.79-3.09+2.96=8.21+8.53+9.32-3.57=4.51+2.94+3.7=5.39-3.5=9.22+0.46+8.13+0.24=9.83-2.5+9.13-0.56=7.01+7.99+2.35+8.91=0.72+8.91=9.49+8.86-9.7-4.04=4.79-2.69+6.14+6.88=7.45+1.65+1.48-4=9.11-1.92-3.77+0.45=1.5+0.2+2.54=9.63-5.35-0.31+3.5=6.02+3.47+2.2+1.85=6.95+8.26-6.1-4.76=0.7+9.28-6.26+4.07=2.45+8.43-1.82+3.35=2.8+3.25+5.17=8.77+1.64+6.19+5.19=0.18+3.87+8.09=1.69-0.74+1.96+9.89=9.57-4.22-1.09+1.88=9.45-2.02-3.96+3.56=3.6+7.29=5.97+1.02+1.1=4.8+8.98-0.86=8.39-5.21-1.49+5.98=6.63-1.54+8.14=2.84+9.47+3.23+2.21=2.66+9.46-8.62-0.59=4.72-2.96+4.76-4.83=7.83-3.49+9.84=6.67+0.78-6.39=3.33+0.83+5.06-6.26=7-6.34+9.98=7.98-2.85-3.41=6.08-2.38+8.79=6.8-2.05+4.69+7.68=4.24+9+1.04-0.81=5.22-3.64+0.04-0.98=9.39-4.27-3.69=9.85+9.09-1.43+1.32=2.99+7.61+6.46+2.83=3.57+4.85-5.41+4.58=0.46+5.5+3.47-6.67=8.84-3.38-4.87+7.03=7.88-6.15=0.94+8.3+6.16+1.13=8.36+1.15-9.15+9.42=2.93-1.04+9.87-3.66=6.23-3.41-0.84-0.38=7.82-2+9.88=8.93-4.62=8.96+0.77+1.39-1.57=9.7-3.06-2.1+4.42=3.29+4.86+5.85=7.41-0.8+0.13+6.02=7.83-0.37-4.88=1.71+1.19=参考答案7.51-4.49=3.029.56-3.45-5+7.96=9.079.88-3.14-3.31-1.97=1.469.02-1.1-0.25+1.46=9.137.76-1.6+2.1-1.26=79.87+1.67-7.35-3.13=1.066.77-2.37+4.28+4.55=13.235.07+1.78-2.89=3.967.33-5.38-0.07-0.67=1.215.79+0.4+2.79-0.22=8.767.43+6.29=13.729-3.79=5.217.73+7.13-0.46+1.71=16.116.88+6.67-7.74-2.83=2.983.59+1.39+0.81+4.36=10.156.47-6.21=0.265.21+9.74+6.58+6.87=28.49.72+6.83+7.8+1.72=26.070.69+9.36+8.46-7.73=10.789.47-8.28-0.69+0.14=0.643.81+6.68=10.499.38-1.5-3.91-1.3=2.674.71-1.94+6.83=9.65.09+7.47-0.92-1.98=9.665.94+7.4-3.37-9.53=0.446.99-2.01+0.61-2.73=2.867.06-1.24-0.03-5.1=0.696.15-1.93+2.17=6.393.84-0.84=36.92-3.87-0.82+1.34=3.573.98-2.02-0.54-1.25=0.177.81-0.87-1.88-2.2=2.861.16+8.24-5.64=3.768.04+1.04-8.7+7.98=8.365.83-1.93-3.61+6.96=7.253.11-0.96+2.82+4.72=9.696.06-4.79+3.6+8.14=13.015.4+1.77-6.13=1.048.68-1.56-0.55+1.34=7.915.48-2.8+4.99=7.677.03+2.73-2.02+3.4=11.148.66+6.04-1.72-5.68=7.35.74+5.84=11.589.74+6.77=16.516.95-3.08-1.46+9.68=12.096.26+3.58-3.34-2.03=4.479.34+4.2+4.15-4.35=13.346.77+3.45=10.228.17+4.55-0.45-7.35=4.925.94+3.92+4.49-8.78=5.577.09-1.4+4.18-3.87=67.07-0.02-0.32+6.41=13.147.71+2+0.13=9.846.47-2.71-1.55=2.219.13-4.67-0.04-4.06=0.362.62+3.79+4.76-2.02=9.155.32+2.82+6.06+2.57=16.773.55+7.55-1.64-5.6=3.862.33+1.37-2.19=1.519.85-4.78-1.43-2.04=1.67.58+8.69+7-7.56=15.714.03-2.4+1.42+4.23=7.280.46+4.7-3.89+2.25=3.527.26+1.23-1.97=6.520.41+7.17+7.22-0.08=14.724.46+8.31+9.16+3.3=25.239.68-9.27=0.417.87-1.04+7.71-0.15=14.396.26-0.59+7.21-9.13=3.758.3-1.97+1.15=7.480.63+0.84+4.89=6.369.68-0.17+7.36-8.28=8.596.7-6.14+4.84=5.48.35-0.69-5.35=2.317.66+1.17-3.93+0.65=5.550.94+7.2+3.52-8.54=3.123.5-1.64+4.32=6.184.98-1.27+9.4-0.78=12.330.06+9.95-4.8=5.215.57-3.34+3.81+3.4=9.449.95+7.62-4.45-8.9=4.220.85+0.2+2.36+0.97=4.387.58+2.71=10.294.48+2.28+7.56-4.53=9.796.27+1.73=86.39-0.24+9.8=15.957.46-1.91-0.09-1.08=4.382.39+5.15+8.5=16.048.3+6.66-9.23+8.13=13.868.31-2.42-0.34-0.4=5.157.96-4.14-2.11=1.716.19+1.61+3.15=10.951.96+7.06+7.63-9.95=6.79.67-7.4-0.26=2.013.86-0.73+9.6=12.739.9-1.22-0.8=7.880.15+5.69+9.58+9.81=25.238.58+8.01-1.79+7.58=22.388.53-2.68-2.33=3.526.68-2.61+8.17=12.249.48-0.19-3.27-1.24=4.785.26-4.53+6.95+1.56=9.249.13-0.9-6.09+6.16=8.34.55+4.44-3.06=5.933.61-0.28+2.79-5.18=0.946.83+2.7-0.6+6.21=15.144.5+8.86+6.02+1.91=21.294.39+5.18-2.6=6.971.55+5.38+2.75+9.17=18.856.77-0.27+8.57+1.17=16.247.9+2.36-0.09-6.93=3.242.38-1.46+9.71-4.25=6.389.47-2.55-4.09-0.34=2.496.52-5.78+7-2.5=5.241.72+3.54+8.22=13.488.79+9.85+9.14-3.27=24.519.95+3.36=13.312.73+0.9-0.39=3.241.09+8.02+2.13-5.31=5.932.6+6.08-6.34+4.11=6.456.72+4.64+2.46-8.82=54.4+8.32+2.03+3.99=18.747.21-0.89+7.31+9.64=23.279.4-0.08+5.11=14.434.7-0.15+8.08-0.59=12.047.34+5.71-8.87-0.71=3.478.89-0.55-5.82=2.523.78-3.54+6.52+2.97=9.737.02+3.37-2.86=7.537.46-6.86+7.63=8.230.4+2.19+6.04-2.91=5.723.88+6.41=10.298.22-0.4-2.22=5.68.63-0.76=7.874.14+9.57-6.9=6.815-4.07=0.933.01+8.96-5.93-4.29=1.758.93+6.74+2.16=17.838.61-2.42-3.96=2.235.23-2.62+3.38+9.92=15.919.82+4.87+3.61=18.38.12-7.17+5.66+5.57=12.183.5+6.89+2.05-7.32=5.128.34-1.3+7.78+4.65=19.475.7+9.69+3.85-3.49=15.757.82-4.86-0.83+2.61=4.743.76-1.78+8.03-9.57=0.446.79-0.71=6.087.88-6.73-1+9.94=10.091.77-1.49+4.42+4.95=9.657.99+0.02-0.25=7.768.09-2.93+9=14.168.42+7.2+0.94-1.94=14.625.28+4.33+1.4=11.018.06+0.13-1.04=7.159.38-3.89-3.15=2.347.89+2.76-7.11=3.544.14+5.48+4.96-6.36=8.227.88-2.5=5.389.82-4.37+1.96-2.83=4.585.08-4.38+8.6+2.88=12.187.71-6.84=0.876.25-2.42-3.39-0.28=0.166.26+8.89-3.37+1.05=12.837.88-1.56-2.12=4.26.14-1.31=4.837.32+9.86+9.42=26.66.07-4.01=2.066.29-0.44-3.72+1.4=3.534.56+3.96-4.01+3.75=8.263.67+6.5+3.64+3.99=17.89.79-1.4-5.87+8.38=10.97.82-4.18-1.62+5.75=7.770.22+9.09-3.59+8.86=14.586.76-0.57-0.05+1.25=7.398.69+2.38-2.06=9.019.26-2.09-5.11=2.068.87+5.5=14.376.37+6.2+7.5+9.5=29.575.97-0.27+7.8=13.57.97+8.89-7.68-3.6=5.587.56-3.82+2.63+8.9=15.274.84-3.97=0.877.12+3.08-2.02=8.188.54+0.95+8.88=18.375.59-0.58+8.44+3.61=17.067.06-4.21+4.4=7.253.76+8.32-2.71+3=12.371.02+9-3.09-4.64=2.292.46+3.74-3.58+0.3=2.927.85+8.92-9.18=7.592.1+1.14=3.247.63+8.2+1.46=17.299.83-0.65-0.44-1.69=7.059.21-4.92=4.299.67+9.73-3.39-1.82=14.191.09+2.84-2.12+7.57=9.386.91-1.08-3.08+4.48=7.238.64+8.13-7.6-6.59=2.589.56+5.9-7.16+5.76=14.063.87+3.19+4.77+3.13=14.962.73+7.22+0.83=10.788.69-0.24+6.86=15.318.78-7.53+0.87+6.08=8.24.62+6.38-5.25+1.99=7.748.99-7.93+5.11+8.98=15.159.99-4.71+0.58+2.58=8.449.46-5.98=3.489.07+9.4-3.26+2.7=17.917.28+0.55=7.838.24+6.01+2.75=178.91-1.5-0.66-4.5=2.255.42+8.51=13.934.49-1.44-0.9+2.29=4.443.87+7.99=11.866+2.22-5.93+0.98=3.273.24-0.07+0.6=3.772.52+5.69-7.08=1.136.44+5.04-6.27=5.214.59-3.68+7.72+2.04=10.672.27+6.08+5.04-0.07=13.320.04+5.02-0.36-2.55=2.153.17+5.16+4.17+0.52=13.021.13-0.99=0.147.35-3.87-2.38+6.02=7.123.43-1.69-1.15=0.598.15-4.69-1.95=1.516.39-2.32+8.9-8.24=4.738.14+3.91+7.8=19.855.89-5.5+5.26=5.650.34+8.39-1.6=7.139.79-4.46+7.74=13.079.48+1.01+7.23+1.81=19.539.74-2.2-2.79-0.82=3.938.66+8.03-8.14-6.82=1.738.27+5.02+9.62=22.916.6-1.63-0.4-3.82=0.752.73+8.29+0.69-4.21=7.59.91-1.22-3.68=5.017.8-2.47-3.47+5.77=7.636.36-4.74-0.05-0.37=1.29.16+2.58-9.52=2.227.87-7.51=0.366.02-2.57+3.4+1.62=8.476.39-3.8-1.18+4.03=5.449.75-0.58-1.37-1.41=6.392.46+9.32-4.62=7.167.45+4.05=11.55.19-0.94=4.256.56-1.12=5.448.68-1.27+9.26+2.09=18.765.97-0.36+5.46+7.36=18.432.14-0.78-0.89+3.57=4.049.24-1.8+6.03-8.76=4.716.21-0.52+9.02-3.01=11.76.16-2.38-0.04-0.76=2.982.42+4.52=6.942.58+3.66-0.5=5.749.71-4.15+3.9=9.466.13+8.63+3.89-0.11=18.549.92-0.76+0.79+5.89=15.841.56+8.73-5.45-0.15=4.698.38-4.22-1.17=2.999.01-6.2=2.816.64-0.7+7.62-5.24=8.325.22+6.76-5.16-2.21=4.616.3-2.13+3.66+9.75=17.589.43+2.82-8.62+9.61=13.248.9-6.02-0.54-0.65=1.696.6-5.42=1.189.2-0.52-1.85=6.836.55+3.59=10.149.49-3.87-1.57=4.052.29+9.74+1.19+4.29=17.514.69+8.17-1.76=11.18.77+9.03-4.94-4.68=8.185.66+6.95+8.37-3.59=17.399.66-3.88+5.15-4.75=6.187.48+8.22+3.4=19.19.45-2.58-2.88=3.996.13-0.08-3.57+7.14=9.629.47-0.58-2.56-2.44=3.896.89-5.64-1.06+9.32=9.516.78-0.99=5.798.1-4.1+1.25-2.3=2.959.18+4.65-4.9=8.935.31-4.63+4.9+0.59=6.177.75-2.29+7.99-5.19=8.264.66+1.29=5.950.72+1.6-0.17=2.152.52+4.43-1.7=5.257+4.99-0.82+6.29=17.460.43+5.26-4.78=0.918.05-1.15-3.21=3.699.83-6.96-2.01-0.58=0.287.86+9.05+1.54-0.22=18.232.61+5.9+8.83=17.349.27-4.31-1.63+1.27=4.65.62-0.52+7.71-6.67=6.146.84+8.29-0.44=14.696.77+1.47-0.15-4.87=3.228.93-1-4.61=3.325.37+0.04-1.46+2.05=69.12-3.48-4.3+2.08=3.429.5-5.21=4.299.03-7.13+4.5=6.49.94-0.28-5.25+3.46=7.878.87-4.56-2.64+6.67=8.347.17-1.11=6.065.01-0.49+5.47-3.79=6.24.11+3.81+7.64+9.27=24.836.7+4.78+2.69=14.177.54-5.07-1.37=1.17.47-2.5-3.4=1.575.47+6.59+8.9-5.86=15.11.9+2.99=4.893.96+5.74-2.11-4.21=3.384.25-2.14+1.56+3.37=7.049.37-3.17-5.93+6.22=6.498.59-2.09=6.56.68+6.4+5.12+7.14=25.348.55-0.07+6.67=15.150.91+0.5+1.38=2.798.39+7.62+5.4+2.23=23.648.85+8.31+0.37-6.32=11.219.67+6.84-4.46+6.59=18.647.11-3.52+7.34-9.57=1.366.29-0.03-5.65=0.616.61+7.44+7.28=21.339.74-4.44-3.49=1.819.58+1.78+1.33=12.690.03+5.74-0.59-2.53=2.658.85+1.12-5.79+1.33=5.514.07-1.93+6.29-6.06=2.378.74-4.01+5.31-1.22=8.827.81-5.84-0.33-0.3=1.349.23-3.65-3.71-1.31=0.562.54-0.44+7.16-3.34=5.928.63+4.24-5.28+1.44=9.037.73-3.57-1.81-1.05=1.38.24-3.74+4.66=9.164.19+4.99+3.91-3.13=9.965.7-1.88-1.67+0.45=2.65.65+8.68+0.2=14.537.58-4.98-0.59=2.018.13-1.01-4.88+0.45=2.695.5+7.04-3.29-6.12=3.139.75-2.78-1.72-3.12=2.134.39+6+3.7=14.095.97+5.56+6.6+8.77=26.96.93-2.33-2.45=2.154.53+8.47+9.51=22.516.08-1.01=5.072.07+9.25-4.15=7.174.43-1.65-0.97=1.816.28-4.64+8.76-2.58=7.829.52-1.65+2.3-6.94=3.234.93-0.3-0.08-2.83=1.728.58-4.01=4.578.47+3.72-4.67=7.529.62-1.86-5.56+7.85=10.054.71-3.26+5.69-0.68=6.463.6-1.81-0.23-0.09=1.475.43-2.96+1.77=4.245.61-3.91+8.65-9.91=0.445.94-2.47=3.473.21-2.2+5.04=6.058.99-6.35=2.648.33-5.45+8.15-8.72=2.315.43-2.05+3.57=6.956.98-0.99+0.72=6.715.15-1.48-1.82-1.17=0.683.11+2.92-1.61=4.423.01+9.43+0.79+5.59=18.829.76-4.43-3.08-0.89=1.367.15-3.55+1.65+3.42=8.678.09+1.48+8.17-1.24=16.59.07+9.61-6.83-4.76=7.098.21+9.43=17.642.63+6.76+4.62+8.09=22.18.66+7.52-5.19+1.1=12.098.97-3.99=4.987.77-1.72-2.45+0.83=4.439.61+0.73+6.97-3.23=14.084.67+1.47+9.3+8.09=23.533.03+7.87+6.54+8.65=26.092.75+9.79-8.38+1.66=5.824.4-3.77+6.1-0.28=6.456.98+0.94+5.32+7.16=20.49.52-8.49+5.39+3.46=9.883.84-2.43+7.16=8.578.42-1.67-3.55=3.25.34+8.3+8.67+5.7=28.019.54-0.38-3.57=5.595.67-4.71+2.04=36.8-6.47=0.330.63+8.1=8.733.71+5.96-3.52-3.82=2.339.91+7.02-5.57-7.28=4.089.23+3.42-4.05-6.18=2.428.76+1.52-5.45-4.38=0.454.6+1.93+0.62-6.72=0.438.56-8.23=0.330.19+9.25-4.11=5.339.56+7.26-8.68=8.143.71+8.6=12.311.6-1.06+2.36+1.78=4.687.63-2.84+0.3=5.099.01-2.63+8.41+1.38=16.179.21-4.12+6.66-5.76=5.999.56+5.76-3.93=11.399.22-2.25-0.37+9.32=15.929.56+0.97-1.04+2.52=12.018.77-3.51=5.269.83-1.49-5.78+3.4=5.960.16+7.74+2.97=10.876.8+9.62-3.96+1.32=13.784.14-1.19+3.24-1.27=4.928.32-0.09-0.84-4.45=2.949.4+7.09+9.56=26.057.86+1.78-2.62+9.11=16.138.75-4.53-2.35=1.878.4+6.74-6.12-5.36=3.662.46+1.81+3.87+5.92=14.064.17-1.37+7.76=10.562.58+7.96+2.83=13.373.1+7.29+1.98+4.25=16.627.41+3.53=10.944.57-4.43+9.81-8.13=1.825.9+0.33+1.23=7.466.48+4.25+9.04-6.41=13.365.43-4.35+5.71-6.35=0.442.27+5.27+5.82=13.363.01+7.52+9.52+5.13=25.181.08+1.83=2.914.04-2.95+2.55-3.22=0.429.2-1.91-0.3-3.08=3.916.9-0.48-4.5=1.921.72+2.43=4.156.28-1.97+4.81+1.57=10.696.97-0.19-3.17=3.619.29-4.47-0.47+3.86=8.216.07-1.07-2.68-0.98=1.347.71-2.38-3.51+7.57=9.396.38-5.33=1.057.67-3.47+9.23=13.437.87+4+7.24=19.111.03+4.7+0.1=5.830.68+5.66-1.79+9.07=13.623.78+6.03+7.47-9.55=7.735.33-4.29+2.56+4=7.65.4-0.27+7.42=12.556.61+8.76+2.82-9.39=8.88.76-0.65-1.02=7.093.25+5.71+7.56=16.525.25+3.17-3.94-1.01=3.472.43+9.45-4.94=6.949.07+4.96-1.87+3=15.163.63+3.32+5.48-0.2=12.238.53+8.33=16.861+4.73+5.83+3.2=14.761.57+3.12=4.694+2.67=6.678.66-3.23+8.62+1.24=15.290.91+8.8-7-0.64=2.078.18-0.26-5.14-2.27=0.518.4-2.33+6.67-3.76=8.984.14-2.39+7.46+3.5=12.716.47+7.23+7.58-6.91=14.376.48+9.28-3.12-7.09=5.555.64-0.91-1.21=3.529.73+8.12+6.05+8.05=31.954.26-1.93+3.13-0.55=4.913.77+1.54+5.93+1.47=12.716.18+3.95-6.52=3.610.88+8.39+1.28+4.99=15.545.28-0.5-0.08-2.39=2.317.83-3.54+8.55+3.41=16.258.02-3.35=4.674.63+6.44-6.36+5.68=10.398.02+5.16+6.9-4.82=15.269.45-1.72-1.98-4.3=1.458.29-0.11-3.04=5.143.38-1.22=2.165.98-2.38=3.62.54+7.85-7.5=2.898.92+5.25=14.176.93-1.31+1.33+6.51=13.468.94-7.25+6.98-3.67=57.96-6.93+8.86+3.25=13.149.26+2.59-5.73-1.35=4.777.69+2.69+1.93+0.65=12.965.41+0.39+4.7+8.47=18.974.23-3.5=0.730.9+7.21+5.63-6.32=7.426.32+3.66-4.65=5.338.9-3.95+6.69=11.648.15+0.94-6.42-1.56=1.118.07-3.77+6.21=10.518.75+6.67-1.91+4.2=17.716.86-0.54-0.87=5.457.67-1.33+1.17-3.78=3.739.99-3.43-4.11-1.53=0.923.96-1.62+8.2-8.06=2.486.82-3.79-1.42-1.06=0.552+9.12-7.92+8.32=11.529.27+0.83-7.98=2.127.97-0.63+8.18=15.524.41+0.59+2.17+6.02=13.199.3+4.74-7.84=6.29.78+6.86-8.62+7.55=15.575.57+6.43+0.55+0.92=13.479.05-5.67-2.84=0.546.05+5.96=12.014.55-3.73=0.826.29+4.75+7.27-7.65=10.668.66+7.13=15.796.68-3.78+9.01=11.918.92+0.29+2.16=11.374.19+4.11+8.99=17.297.86+2.42=10.282.49+3.93+3.2+9.47=19.094.35+5.73-1.7+9.67=18.050.52-0.26=0.268.63+9.56-4.49=13.77.27-1.23-4.32+4.95=6.677.84-1.48+7.19+1.72=15.272.41-1.86+1.17=1.721.25+2.66+4.38-3.23=5.069.7+0.82-1.18=9.349.46-0.86-3.83-4.6=0.177.26-0.75-1.85-0.96=3.71.6+9.17-1.27-4.39=5.118.8+9.76+2.05+2.81=23.426.63-2.12-1.02+8.78=12.277.36+0.64=85.64+4.94+0.76-2.22=9.127.05-3.57=3.485.83-1.25-2.26=2.327.41+8.32-3.3-3.51=8.927.35-4.16-2.15=1.043.82+5.21+7.69-5.59=11.139.6+6.83-2.58+7.03=20.888.19-7.78+5.45-4.42=1.449.04-3.23-0.92-3.13=1.768.82+3.68-1.92-7.11=3.471.3+9.8-1.22+0.76=10.640.98-0.61+3.61=3.989.2-3.6-3.78-1.29=0.539.43+2.12-2.75=8.87.06-3.53-1.34=2.193.9-0.19+4.82=8.535.09-2.16+5.06=7.993.77+6.76+6.81+3.38=20.726.45+9.65=16.19.88-4.94+3.75+9.32=18.017.76-1.98+4.95+6.89=17.629.69-6.99+5.05=7.758.14-3.08-0.55-1.42=3.092.01+1.55+9.08-0.31=12.331.27+8.12=9.390.75+5.77-0.29-4.02=2.217.48-4.17=3.318.01-7.41+2.39+1.94=4.930.3+5.63-1.58+7.38=11.735.77+8.05-6.82-1.02=5.986.14+9.39-6.95+8.22=16.85.42+1.84+2.29=9.555.09+8.1+0.05-2.98=10.263.78-2.51+8.76-1.27=8.767.09-0.36-0.51-5.06=1.168.65-0.63-4.94+0.18=3.266.02-1.57-3.2=1.259.82-3.09+9.08+2.82=18.632.82+6.79=9.618.79+6.89-6.6+5.74=14.822.78-0.74=2.043.93+1.34+4.29=9.567.25+6.91=14.163.62+0.45+4.02=8.098.2-2.9-2-0.16=3.140.59+8.43+7.01=16.038.32+8.51-4.19+5.87=18.517.44-2.68+1.48-1.89=4.358.18-5.51+1.91=4.588.97-1.65+8.73+6.74=22.791.69+2.44=4.134.53+5.57=10.17.45-1.91+0.14=5.683.21+4.22=7.438.15+8.62=16.778.61+9.05-1.87=15.795.04+2.87-3.15-4.55=0.212.57+4.59+0.02=7.189.98+0.24+0.96-7.02=4.163.36+4.99-1.56-1.02=5.776.04+6.02=12.064.67-4.18+8.07=8.566.61+9.01-8.36=7.265.81+5.98-1.82-2.21=7.768.83-7.94=0.894.99+8.82-2.27-6.38=5.168.97-6.26+8.29=116.67+0.14-0.24=6.571.38+0.95+2.36=4.690.48+1.58+0.51=2.579.69-8.61+8.7+4.72=14.53.28+1.61-0.3+7.28=11.872.93+5.57+4.34-3.61=9.236.81-0.37-0.5-0.96=4.987.53-4.05+7.74=11.229.32-1.46-2.27-2.11=3.487.66+8.69-8.6-4.45=3.30.82+8.03+9.9+2.98=21.735.7-4.45+8.1-6.48=2.874.59+8.59+8.5-8=13.689.23-0.27=8.969.37+4.29-1.55-6.83=5.289.74-4.59-0.8=4.3