来自杜友田的问题
计算下面各题,能用简便算法的用简便算法[(5.1-3.6)÷0.8-1]×0.0998.4×98+98.4×230.1÷[(6.07+2.53)×0.7]0.94×2.5+0.094×75(77.4-3.096÷0.4)÷0.039.28×13-9.28×4+9.2897.2÷[(54.8+45.2)×(6
计算下面各题,能用简便算法的用简便算法
[(5.1-3.6)÷0.8-1]×0.0998.4×98+98.4×230.1÷[(6.07+2.53)×0.7]0.94×2.5+0.094×75(77.4-3.096÷0.4)÷0.039.28×13-9.28×4+9.2897.2÷[(54.8+45.2)×(6-5.46)]1.25×32.
1回答
2020-07-15 16:12