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51× 36×72+2.8×360
× = 0÷3.567= 12.8-4.82= 9287+1028=
32.8÷0.5= 900-0.9= + = 56÷ =
1+15%= 1÷50%= 37.5%+= 6-=
+= 9π= 1.25×0.8= :5=
5.61+3.44= 80×12.5%= ( )-56=364 7.28-(1.28+0.25)=
+ = : = 8.76÷30×0× = 2÷ - ÷2=
27+30=
4×5=
93-6=
6×2=
71-50=
3×9=
35+9=
48+16=
19+0=
3+7=
8×8=
40-30=
算式
加法
减法
乘法
道数
总计