脱式计算,能简算的要简算。
2.5×32×1.25
9.85+14.4÷(7.5-4.3)
1.75×[(0.93-0.45)÷0.8]
2.5×32×1.25
9.85+14.4÷(7.5-4.3)
1.75×[(0.93-0.45)÷0.8]
计算下面各题
7.2÷(0.8+3.2×0.5) (0.1+0.35)÷0.6﹣0.5 3.4×2.2+7.8×3.4
6.7+6.7×99 4.8×12.5 62.5÷[(3.26+1.74)×2.5]
7.2÷(0.8+3.2×0.5) (0.1+0.35)÷0.6﹣0.5 3.4×2.2+7.8×3.4
6.7+6.7×99 4.8×12.5 62.5÷[(3.26+1.74)×2.5]