小学二年级口算练习题(十)
62-7 = 94+6= 63+9 = 40-9+12=84-70= 15+40 = 76-6 = 50+3-16=
58+74= 70-2= 29+5 = 42-3 +25=
51-6 = 26+70 = 44-8= 32-7 +48=
6+40 = 63+8= 63-8 = 9+19+50=
62-4 = 34+7 = 50-3 = 38+7-6=
24+9 = 40-8= 8+ 37 = 46-20 +72=
7×2+13= 15+8×4= 20+6×3=
5×4-16= 4×3+19= 16+4×7=
73-27-13= 68-25-35= 94-14-17=
73-(27+13)= 68-(25+35)= 94-(14+17)=
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