70-37+40=28+49=29+46=44-25=67-36+27=34+31=44+12=76-48=44-1×4 =61-8×6 =36-3×3 =63-6×5 =54+28=39+36=6×3 =29+67=22+19=7×7-6=77-2×2=70-5×2=67+18=59+40=12+18=4×6 =5×2 =3×4 =2×8 =9×6 =50+28=39+13+17=74+19=53+29=30+22=22+47=72+6+4=92-38=76-7×3 =43-4×7 =66-7×4 =44-7×5 =16-11=49+25=67-38=26+16=25+66=42+19=55-16=27+26=28-23=7×9=4×5-9=5×9=3×6=51+14+28=3×8=2×6 =8×7=43-29=60+19=5×9=29+33=85+9=64-27=98-75-12=59+12=51+16=6×5 =9×5 =4×8=52-29=69+21=33-23+83=46-38=7+37=3×9-18=96-59+26=7×9+20=69+26=51+28=28+58=94-26=20+18=13+46+24=9×9-36=38-19=74+19=49+27=7×2+26=54+28=53-35=9+29=20+39=60-21=6×9=43-32=6×4=54+36=87+6=6×7=90-38=二年级(上)口算练习答题日期: 计时: 得分:17-5×3 =92-4×3 =81-7=2-5×1 =58-46=25+57=58-5=86+8+2=54+42=27+56=12-8+64=51-35=3×9=4×1=17+(15-4)=2×7=58+3+7=70-6=25+3+6=13+46+24=37-29=33+59+19=70-4=59+21=87-7×5 =45-1×8 =85-6=15-2×5 =2×1=3×9=26+8=5×6=11+2=11+11=11+8=12+35=3×1=16+67=69-30=8×4=68-25=55+39=6×8=62+15=65+25=8×5=43+9=6×3=90-35=48-19-8=49-14=9×7 =45+26=95-82=33-6=2+18-56=6×9=28+37=90-18=5×7=29+33=6×8=9+63=73+18=57-18=3×9=46+8=59+24=44-21=32-16=85-7=55-36=6×6=4×8=75-9=3×9=74-26=17+48+26=8×8=2×2 =45+26=37+16=28-23=83-29=23+14=57+26=80-15=5×6-12=39-17=74+9=100-80=6×2-12=35-18=73-16=25-4=54+17+25=5×9=3+78=55+3=85-32+17=二年级(上)口算练习答题日期: 计时: 得分:2×9=70-15=67-37=89+3=55-27=53-37=8×9-24=6×2=6+27=65-46=69-60=64-7=25+36=69+18=96-34=56-9=44-13=5×9=77+16=9×4=3×6=8×7=25+17=10+64=3×4=46+35=9×9=7+68=16-11=35-27=50-16=76-7=7×4=9×4=7×9=84-3=54-36=42+39=52-29=48+19-7=3×5=39+28=43-29=5×8=63-47=6×7=35-17=44-25=9×6=36+30=58-28=13+64=3×8=12+39=88+20=66+21=87-37+27=13+46=25+62=26+40=87-56+25=17+62=32+22=4+39=47+31+12=33+31=76-61=62+29=17+39+28=15+23=76-28=4...