54.9×0.38 4.05×37.85 1.25×0.7×0.854.9×0.38 4.05×37.85 1.25×0.7×0.8 9.8×25 6.1×3.6+3.6×3.9 2.96×40

54.9×0.38,4.05+37.85怎么简算? 简算 54.9乘0.38 4.05加37.85 54.9*0.38和4.05+37.85用简便方法 54.9*0.38= 4.05+37.85= 2.96*40= 简便方法计算,54.9*0.38=4.05+37.85=2.96*40= 1,54.9×0.38简算 2,9.8 ×25简算?3,4.05+37.85简算? 54.9×0.38 4.05×37.85 1.25×0.7×0.854.9×0.38 4.05×37.85 1.25×0.7×0.8 9.8×25 6.1×3.6+3.6×3.9 2.96×40 简算：3.4×7×1.5 0.8×0.25×0.5×12.5 正常算：54.9×0.简算：3.4×7×1.5 0.8×0.25×0.5×12.5 正常算：54.9×0.38 9.8×25 4.05+37.85 54.9×0.38＝ 4.05+37.85＝ 1.25×0.7×0.8＝ 9.8×25＝ 2.9654.9×0.38＝4.05+37.85＝1.25×0.7×0.8＝9.8×25＝2.96×40＝筒便计算过程必采纳 54.9x0.38简算?9.8x25简算?4.05+37.85简算? 54.9✘0.38 9.8✘25 4.05+37.85 6.1✘3.6+3.6✘3.9 1.25✘54.9✘0.389.8✘254.05+37.856.1✘3.6+3.6✘3.91.25✘0.7✘0.82.96✘40竖式 4.05+37.85简便算 4.05 37.85怎么算 4.05+37.85简算 54.9×0.38 6.8×25 4.05+37.38 6.1×354.9×0.38 6.8×25 4.05+37.386.1×3.6+3.6×3.9 1.25×0.7×0.82.96×40 4.05+37.85的简便运算 简便计算 4.05+37.85 = 4.05加37.85怎样简便 4.05+37.85如何简便计算?