用递等式计算.(写出必要的计算过程,能简便的用简便方法计算)(9.4﹣5.8)×2.07 12.54﹣4.56﹣3.44﹣1.54(9.36×5+9.36+9.36×2)×1.25 7.236÷0.18﹣14.3×0.02.
能简算的要简便. 0.25×9.87×436.7×2.1+10.88.45﹣0.45×0.1 0.73×1027.8×5.6+2.3×4.476.3×27﹣76.3×17.
28×6.5﹣9.3 0.2×8.2×50 0.68×99+0.68 25×32×1.25 2.4+7.6×4.3 (4.85+1.15)×0.37.
递等式计算(能简算的要简算). (1)91.2﹣43.68÷7.8 (2)1.82×5.7÷0.3 (3)8.06×10.1﹣0.1×8.06 (4)6÷0.125.
计算下面各题(能简便的用简便方法计算). 10.15﹣10.75×0.4﹣5.7 5.8×(3.87﹣0.13)+4.2×3.74 32.52﹣(6+9.728)÷3.2×2.5 [(7.1﹣5.6)×0.9﹣1.15]÷2.5 5.4÷[2.6×(3.7﹣2.9)+0.62] [20﹣(90.75÷6.6+2.25)]×11.6.
脱式计算.(能简算的请简算) 4.36+8.3+3.64 37.7﹣(8.98+7.7) 19.57﹣2.37﹣3.63 8﹣7.24+5.87.