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=

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= 4.05+37.85= 2.96*40= 简便方法计算,54.9*0.38=4.05+37.85=2.96*40= 54.9*0.38和4.05+37.85用简便方法 简便计算:54.9乘0.38= 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 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 54.9×0.38简算 54.9*0.38能简算吗? 54.9×0.38简便计算 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的简便运算 54.9乘以0.38等于多少? 54.9×0.38的简便运算! 54.9*0.38怎样列竖式计算 54.9*0.38的简便算法 54.9×0.38简便谢谢各位