小学二年级数学加减法口算题

1、31-29=41-39=81-79=51-48=31-28=41-38=81-78=33-26=53-4785-77=45-38=32-25=72-67=21-14=31-24=41-34=81-74=31-2571-65=41-35=82-74=42-38=63-58=33-25=54-46=94-86=72-6441-29=61-39=81-49=42-24=42-28=63-34=63-39=84-46=84-4865-37=48-23=47-22=68-35=67-35=89-44=89-45=67-34=62-3542-27=66-38=67-39=87-48=83-45=83-47

2、=51-19=71-59=91-3941-28=71-58=91-38=51-14=71-51=91-39=51-15=71-55=91-3552-16=71-26=91-36=51-24=71-14=91-44=51-23=71-13=91-2352-15=73-58=94-36=95-17=76-58=97-38=58-19=72-54=92-3843-17=73-56=94-36=54-18=75-28=95-37=53-25=73-28=94-4694-46=54-28=75-17=92-26=90-40=80-30=20-10=70-30=90-6070-40=90-70=80-45

3、=70-35=40-15=50-45=30-15=50-25=80-4015+15=26+37=17+48=25+47=38+45=13+48=26+48=26+47=52-1717+66=44+47=37+54=28+47=27+88=55+36=16+85=65+27=98-2537+35=48+25=75+28=24+68=38+54=46+18=58+36=78+18=65-3829+59=67+27=36+26=56+34=67+23=48+32=69+31=34+57=83-1867+24=49+42=22+59=45+47=65+27=28+65=55+38=40+30=74-4

4、7学习必备欢迎下载93-27=73-46=65-18=63-25=82-56=94-66=83-77=44-28=52-1462-14=62-28=65-47=83-2574-26=93-47=83-16=77-69=75-28=72-15=63-28=73-47=52-1582-47=54-16=95-48=85-27=63-36=52-17=83-48=74-28=43-2773-55=92-86=62-58=72-24=54-36=71-59=59-29=64-39=72-3963-19=78-59=45-29=86-49=37-19=83-28=74-28=87-58=66-2852-

5、18=73-48=41-38=75-68=98-98=55-17=41-27=62-27=10-1077-7=63-47=56-17=75-47=94-67=54-36=61-46=64-58=54-2655-26=83-66=64-16=92-37=94-36=71-65=41-35=94-86=72-6482-74=42-38=63-58=33-25=54-46=71-29=61-39=84-46=84-4881-49=42-24=42-28=63-34=63-39=65-37=48-23=67-34=62-3547-22=68-35=67-35=89-44=89-45=42-27=66-

6、38=71-59=91-3967-39=87-48=83-45=83-47=51-19=51-18=71-58=71-55=91-3591-38=51-14=71-51=91-39=51-15=52-14=62-28=65-47=83-2574-26=93-47=83-16=77-69=75-28=72-15=63-28=73-47=52-1582-47=54-16=95-48=85-27=63-36=42-17=83-48=74-28=43-2773-55=92-86=62-58=72-24=54-36=71-59=59-29=64-39=72-3963-19=78-59=45-29=86-

7、49=37-19=学习必备欢迎下载53-28=74-28=52-18=73-48=41-38=75-68=98-98=87-58=66-2851-18=71-58=91-38=51-14=71-51=91-39=51-15=71-55=91-3551-16=71-26=91-36=51-24=71-14=91-44=51-23=71-13=91-2352-15=73-58=94-36=95-17=76-58=97-38=58-19=72-54=92-3853-28=74-28=52-18=73-48=41-38=75-68=98-98=87-58=66-2855-17=41-27=77-7=6

8、3-47=56-17=75-47=94-67=62-27=10-1074-36=61-46=55-26=83-66=64-16=92-37=94-36=64-58=54-2672-15=63-28=82-47=54-16=95-48=85-27=63-36=73-47=52-1542-17=83-48=73-55=92-86=62-58=72-24=54-36=74-28=43-2771-59=59-29=63-19=78-59=45-29=86-49=37-19=64-39=72-3953-28=74-28=52-18=73-48=41-38=75-68=98-98=87-58=66-2822+28=40+60=50+50=70+30=25+8=34-6=80+20=62-4=10+90=35+18=28+65=63+28=78+13=47+15=35+27=56+25=75+16=44+2747+24=68+25=46+37=36+47=67+25=27+65=49+42=62+29=67+14学习必备欢迎下载37+35=48+25=78+18=28+3875+28=24+68=38+54=46+18=58+36=29+59=67+27=36+26=56+34=67+2