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 =4