二年级 口算练习题 1000题.docx

1、二年级 口算练习题 1000题50-29=34+24=53+8+12=27=39+26=31-82=67-36+27=34+31=44+12=71-51+20=13+36=15+23=26+71=96-52=56-84=48-39=86+8+2=20+77=35-23=94-(26+66)=65-29=47=95=32+(42-17)=97-39=89+1+9=48-82 =38+34=92-69=86-35=49+43=44+53=17+49=29+36=77 =56+18=85-55=69-12=61+20=69283790-18=86-33=91-55-25=75-28=92-35-45

2、=19+61=28+67=51-15=34+42=33+27=67-53=77+(52-41)=58-11=3518731625-4=36-17+63=99-85=84=99-24=34+47=26+44=39+31+24=66=37+47-73=4526 958233-6=26+27=48 =72-16=83+14+6=49+39=93 =13+67=49246=2933 859642798751282-47=86-59=26+85=78-63=91-79=62-43=44-27=37-37=73-37=86=25+74=14+15=89-67=96-35-31=31=16+67=69-30

3、=18+64-62=29+53=36-25=91-73=34 =77-30=39+21=74 =71-86 =63=100-50=75-19=49+46=87-6=11+54=69+26=87-56=34+58=34+26=78-47=43-31=16+44=87+(73-70)=22+34=36+44=82-79=48-9=64-16=75-13=28+36=63-96 =34-93 =54-56 =89-76=54=71 =17+26=36+22=56+19=37-12=58=26+56-49=35+32=56-24=62-41=92-55=97-(19+52)=86-45=81-68=7

4、3-65+73=23+19=81-53=30+16-42=92+18=69+17=531782-9=90354819849-14=54+42=27+56=12-8+64=78-56=27 =37+(15-6)=3812+39=88+20=17+76=68-12=56-83=89-71=75-61=55+44=84=49+16=76-22=31+35=89-(11+72)=29+66=2933 689+63=21+65-43=38+33=35+28-23=41+29-31=21+44-41=72-11-53=39+6=63=28+62=8+43=51-25=67-27=46-24+27=22+5

5、5=60-54=68+17=34+5+5=54-82 =82-64=83-18=74-48=26=79+12=84+3+7=23=37+18+39=79-21=64+28=98-26 =42+28=68-25=55+39=68=53-41=52+47=92-64=67-45=21+47=37+22=41+51-22=54+37=98-23=69 =16+68=15+63=85-17=62+28-32=25+23-26=22+16=85=44+52=69+14=84-13=11+18=45+33+7=12+9+41=70-18=64 =28 =1760=2933 689+63=71-41=69-

6、30=11+13+64=47+12=62+68=19+(54-22)=43+24=36+33=722396-87+89=53+13=35+58=64-34 =89-28 =78-96 =13+36=16+15=37+53=63-22=63+34=75-38=4526 958233-6=12+73-36=23+34=63-26=86-68=80-86=42+28=27+56=41+37+20=77+22=95-37=70+24=16+64=97-23-14=37+31=14+67=11+27=35+29=67=15+49+17=71+22=47-11=81+1+9=45-18 =46-24+17

7、=26+43=24+21=60-78=13+79=63 =21-8+64=46+47=99-19=85=24+52=44+49=38=39=41=17+(15-4)=25+85=99-62=86-11=51-27=40+44-55=29+62=39-62=96-84=31+12=87432960+19=72-55-14=34+56=99-28=96-11=68+33=56-44+32=61-38+73=13+19=8+43=75-32=22+33=95-19-37=67-35=89-70=90-62+47=73+18=95-71=66=31=16+67=69-30=18+65=17+50+10

8、=85+9=16+56=66+21-23=57+43=60216943-32=21+21=77-13=87-18=36+53=27+53=46+39=84-49=20-3+37=100-38=47-48=16+15=25=37=26+35=48=84-19=76=100-80=34+31-12=32+26=41-25=54+47=56-41=26=77-60+30=78+52=75=78-25=99-87=23+71=59-42=39-22=12+34=58-46=25+57=58-5=5+44 =46+17=87-75=12+39=32+52=33+18=54+29=43+26=36+22=

9、38+51=78-64=38+82=59+18=59=25+61=49+37=16+72=23-79 =95-64=48-25=57-27=78-47=44+23=64+31=51+12-38=22+62=45+13=56-18=46-64=96=19+18=45=38+26=26+41+23=28+47=90-34=14+29=88-66=67=84-27=76=73+25=42+49=54+12=25+56=33=14+52=19+33=38-26+46=45-16=12+31=69=66-(26+29)=76+45=97-95+90=32+17=25-17=39+60-31=47+27=

10、31-18=38+11=(99-95)5=78-19=79-25=58+12=39-52=54-13=52-49=42+16=32+16=69+13=81-17=58+13=84-29=80-93=56-13=29+43=25=23+16=18+38=25-14=79-33=43-24+52=38+(42-28)=87-56+25=17+62=32+22=78-73=64-37-15=514=47+31+12=33+31=76-61=39+21=74 =71-86 =31+29=52+15=84-57=20466246+15=60-14-34=67+17=25+47=84-19=67-34=6

11、4-12=48-29=78+9=22+64=36+36=23+38=5+3+17=86-19=58-26=76-17=26+18=80(21+54)56+16=83=41+39-26=62+35=57-38=48=471461+33=12+61+17=15+46+36=27+56=66+16=15+19=33 =55+11=33=86-66=26+19=46-12=23+37=46-27=69=81-27=92-53=34+39=58-27=81-6=57+12+18=39-18=75=38+53=28-23=70-(21+16)=11+57=56+75=52+6=14671076-31 =3

12、6-14=18+99=66-48+14=43+47=23+69=98-87=93-84=29+59=418=94-68=62+62=96-74+44=19+79=76-45=42-15=57+39=78+19=89-34=84-49=20-3+37=100-38=57=94-57=46-38+46=17+77=56=89-31=24+49=32+61=57-87=24 =83=85=90-97 =89-85 =52+12-20=17+69=99-24=37=18+31=38+(55-46)=64+26=64-12=38+47=42-24=37-19+81=89-61=86+23=3819 74

13、19492751-34=25=70-55-14=51+45=30+13+24=54+55=4526 371628-23=81-46 =51-73 =34+25+6=81=91-72=51+23+25=52-28=99=32+42=4421 321685-7=97=46+17+13=77+8=81-(36-22)=32+22=93-35=85-47=72-26+24=90-38=63-27=63+3=43+15=54-22 =45+15+15=44-75 =69-28=88-52=57+49=26+55=29+15+4=80-35=85-68=48=86+41=66+17-71=44-24=36

14、+18=36+58=39+31=57-14=75-33=30+75=88-53=84-28-27=27+59=42-23=35 3928 432969-17=38-16=55+13=44-31=93-55=49+45=27+43=11+24=72-27=85-22+14=33+33=93-12=39+96=66+19=25+19=27+41=29=87-28=47+23-35=5+68=18+36-40=82-56=1226+23=16+46+30=34+47=26+44=96=65258543+9=38=84-87=55+32=17+53=71-23=76=76-65=45 =61=(45-

15、36)3=46+17=16+77=69283790-18=38+18+30=89-41=84+13=61-39=41-23=85-27=74-53=41-62=26+56=69-15=31+55=53+39=20+21-14=25+25=66-41-16=54=53=13+45=78-14=49+42=53=51-46=84-15=86 =76=39-26=72-65+30=32-21=91-72=38+52=83-12=59-27=96-53=79-56=27+77=28=87-77=16+44=99-44=8+43=84-52=28+64=35-13=85-23=54+13=61+24=3

16、1+67=50+32-37=591251+16=65 =55-24=71+28=72=5436 8766794-61=67-15=47=81-28=13+16+54=63-96 =39-18=44-21=28-23+69=90-68+75=42+48=52+45=12+39=25=95-22=41-33 =68-27 =98-63 =64-12=74-46=35-13=55+26=37+(61-9)=39+6=64-46=71-12=29+69=23+14=86-45=46-32=77-76 =11+32=23+28=66+27=45-26=92-81=14+62=34-29 =47+6=57

17、-24=13+35+28=36+(22-7)=81-32=84=77-51=21+64=83-63=51+15=32+32=45+27=22+73=16-11=49+25=67-38=51-15=68-41=731656-13=87-23=12+39=30+22=22+47=72+6+4=55+23=56+12+13=73-31=45+14=23+53=48+44=51-15=34+42=33+27=17+72=64-29=64+64=77-6=62+14=83-93 =34+18-48=73-57=36+34=47=33+(42-23)=86-55=44=36-17=45=32+49=65-

18、49=23+68=28=24=45=71-65+93=46+24=11+76=61-27=57=78-23=20-65 =35+46+4=87-75 =79-89=85-38=42+12=13+29=28+22-42=42+58=28+39=86 =59=91-93=78-24=48+36=69-37=38+26=55-37=51+35-26=24+59=9+64=78+11=25+26+4=43 =64 =86 =57 =47+25=15+68=88=88-56=38+9=52+38=44=78-(18+32)=15126811+19=36+29+16=80+8+2=76-(26+45)=8

19、6=74+62=34+58=24+12=89=25 =69 =761590354819849-14=23+49=53+25-55=45112830+63=84=75-38-11=48-11=58-25=71=21+46=73-(18+19)=42+15=65258543+9=62-15-19=26=73-64=43-12=36-19+11=70-(66-63)=942620+18=13+46+24=59+30+10=12+17+13=68-55=28=24=45=17-53 =92-43 =81-7=37+31=5+4=13+48=83-7=77+21+9=59+30+10=6+47=58-2

20、9=21+11=17+39+28=15+23=76-28=61+26=39=86-31=33+25=63=66-(14+40)=742617482688=98=47263534-29 =91-2=64-17=22-8+64=49-15=95-92=53+25=30-83 =71-13=86+8+2=18-91 =11+(42-28)=10+(63-7)=52+17=63-59=33+21=66=79+18=99-88=26+27=34+18-48=73-57=11+26=75=9+81=57-44=95-81=65-34=33+34=81-43=54+(33-26)=80-34=64+31=37=99-86=15-25 =83-75=