10道脱式计算(三年级脱式计算图片)答:脱式计算30道有答案62×7.1+2.9,=440.2+2.9,=443.1;4.2×0.25,=×0.25,=4×0.25+0.2×0.25,=1+0.05,=1.05;5.2×4.3+0.8×4.3,=×4.3,=6×4.3,=25.8.8.5+1.5÷0.25×4,=8.5+6×4,=8.5+24,=32.5.0.25×0.8+2.5%=0.2+2.5%,=0.225;32×125×2.5,=4×8×125×2.5,=8×125×,=1000×10,=...