二年级上学期口算题(寒假作业每天20道)

1、62+15=读书之法，在循序而渐进，熟读而精思54+49-38=91-2=54-13=89+11-21=17+63-33=84+3+7=55+20=92-46=16+13=23+25+15=82-79=68-39=76+11=85+17-38=86+4+6=33+26=55+25=77-48=81+15+5=67+25=17+17=12+26=83+14+6=46+23+17=72-19=82-73=84-19=28+18+29=83-47=18+20=68+12=43+29+11=22+45+15=27+17=18+36=61-23=72+17+3=28+39=65+28=88-62=86-

2、18-29=19+55-15=85-68=83-19=13+69=34+69-16=16+35=92-38=69+26-17=17+59-18=77+24-18=51-11=41-28+39=53+18=89+17-38=82-28=28+15-29=46+19=26+27-18=40-21=65-37=35+46+4=46+17=96-29=92-36=19+42-28=40+16=97-64=64+28-19=15+47=69+22=65+12+8=59+17=29+49=52-44+16=64+14=19+53+27=92-13=57+28-16=27+52=63+8-29=85-46=

3、59+17=35+47-27=90-13=46+15=24+37-39=35+18-39=77+18=46+15-19=40-15=67+14=75+17+5=69+14=16-19=29+32+28=28+14=64+28=37+14+27=28+29=83-12=86+15+9=14+67=92-86=37+64+9=54+18=75-17=32-18+18=47-39=65-49=38+43-17=60-49=73-67=45+45-31=60-13=24+38=18+24+46=9+13=34-26=47+5+39=71-68=53+19=56+16+14=78+19=64+28=50

4、-22+18=23+29=56+29=59+23+27=48+24=69+15=84+17=15+28-17=81-49-16=54+39=39+36+4=62+19=63-24=55+28=39+22=39+13+17=26+47=74+19=78+6+19=81-46=48-15=57+15+18=60-21=39-18=19+84+9=64-58=56+29=53+29=92-38+16=46+25-18=38+54+19=46+26=34+67-19=49+15=96-18=17+16+44=45+38=69+19=69+23-35=58+3+7=70-36=37-29=33+59+1

5、9=61-35=13+49=17+46+24=59+23=39+34=32+34+26=39+26=97-39=67+14=71-13=44+19=56+39=53+8+12=24+18=48-39=43+28=54+29+9=55+27=24+19=42+29=86+8+2=16+58+12=42+16=66-39=46+39=17+28+28=25+28=91-75=13+49=23+18-19=25+26+4=23+18=52+12=72-46=55+39+9=22-28=16+27=73-39=62-27+36=38+37+13=90-35=14+27=28+62=45+38+7=66

6、+18=39+32=57+28=69+24-18=45+15+15=73+19=41-12=18+25=86+8+2=76+18=48-4=36+22=27+29=34+5+5=22+19=94-56=16+78=89+15-39=12+9+41=80-54=57-48=44-18=19+16+58=96-77=63-17=14+29-28=15+69=42-27=33+18+38=49+39=76+16=77+21+9=97-83=71-59=86+7-34=76-65=63-38=64+18-15=57+15=54+17=89+8-38=73-52=69+17=59+30+10=53+17

7、=63-7=40+29+1=69+15=1X1+1=2X2+2=3X4+10=4X4+5=3X4+8=5X1+9=4X2+6=5X3+9=5X4+7=3X6+6=2X9+9=5X4+7=1X1+2=1 X1+3=2 X3+2=2X4+2=2X7+2=3X5+3=3 X6+4=6X3+3=6X4+3=6X5+3=6X2+8=4X5+5=4X6+5=4X2+9=4X5+8=5X3+6=5X5+6=5X4+7=5X9+6=1X9+2=1X8+3=1X7+6=3X9+3=3X4+10=3X6+4=2X8+4=12+67=4X3=2X7+8=15+34=60-13=2X6+9=6X2=6X3+8=38+

8、4=31-2=42-19=2X3=73-8=37+5=3X6=3X6=4X6+9=24+26=0+69=37-8=90-18=4X4=5X2=72-18=5X3=18+56=45-20=75-25=5X5-17=6X6=5X4=829=4X5=70-50=38+24=40+26=4X3=()X5=3023+56=6X4=2X6=78+22=45+5=6X2+9=2X3=87-25=33+12=100-80=5X6=16+69=979=3X3=()X4=206X4=21-18=()X6=245X3=7X9-3=7X()=28()里最大能填几？()x5V22()x2V94X()v106X()v27

9、3X()V13()x5V267X()V58()X4V35()X4V189X()v28()x8V30()x6V5047+53=76+24=29+67=95-89=79-56=52+39=34+62=56+24=80-56=65+32=60-46=67-38=66-36=71+6=84-36=15+19=55-16=55+29=69+26=64+36=74+18=35+19=54+28=58-46=65+25=53+46=36+38=39+36=25+57=37+32=76-43=26+48=13+79=46+37=84-56=87-56=76+16=39+21=29+42=61+22=27+53

10、=75-46=78-56=52+38=63+28=56-26=59+23=29+36=60-32=68-26=36+28=64+36=19+38=45+25=29+74=23+68=52+17=25+56=85-36=58+14=73-29=32+49=80-24=69+34=47-29=88-56=28+58=43+26=93-65=28+36=72-56=38+56=29+66=64-25=24+37=64-16=98-53=51-15=46+34=49+25=36+36=51+28=54+42=97-58=96-68=27+69=57+15=36+56=29+39=45+36=56+26

11、=31+38=26+56=26+69=91-73=61+39=68-56=27+56=26+58=69-26=41-28=49+16=63-59=33+53=55+26=36+45=51+29=35+37=46+16-8=62-18+24=97-54=24+30-35=54+21+18=49+47=57-38+19=53-29+19=46+3=18+17+46=35+12-28=16+38=37+19-48=86-12-15=23+38=65-26+18=57-33+31=51-35=38+12-26=36-27+9=62+19=48-27+19=77-19-16=69+19=66+29-38

12、=88-34+18=80+7=28+56-42=85-36+27=98-25=72+18-36=12+79-62=46+45=88-39+21=51-27+28=55-25=93-28-55=51-42+53=34+36=42+71-35=77-65-6=49+16=88-55-32=71-52+36=54-36=85-77+72=75-24+26=78+14=57+17+20=75+24-23=25+66=67-19+24=32+45-38=37+29-48=36+14-21=81-45+36=31+29-18=60-32+21=24-16+40=63+12-42=53-37+15=63-2

13、3+28=48-26+18=21+82-60=36+34-14=73+12-71=21+82-60=44-5+12=100-76+22=72-45+32=54-21-18=67-47+22=21+82+17=83-27+10=54+21-18=65-33-18=68-65-3=54-52+17=88-51-24=76-63+1=63+18+11=65+15-47=77-34+55=43-29+13=85-28-28=77-38+42=60-34+35=17+27-10=55+38-15=54-41+36=99-88+77=75+15-30=92-6+11=42-37+54=77-64+22=2

14、5-6+8=14-12+18=26-17=50-28=26-8+4=23-5-16=25-19+13=24-8-15=42-38=28+39=26-8+7=3+15+7=76-59=34+38=15+13-19=13+2+14=35-29=62-38=18+6-21=28-9-11=11+13-15=16+2-18=10+15-18=18-9+16=100-82=82-37=19+48=54-54=38-9=35-29=18+9-16=30-19-8=30-11-13=16-15+9=12+6-15=13+16-15=100-54=9+16=36+45=50-26=37-18=61-37=13+15-16=30-16-5=26-15-6=13-8+15=17+8-16=17-9+12=100-60=25+67=27-19=64-13=25+