3.41*990%*38%/0.19的简便算法怎么算
问题描述:
3.41*990%*38%/0.19的简便算法怎么算
答
3.41*(9.9)*(0.38/0.19)=
3.41*(10-0.1)*2=
6.82*(10-0.1)=
68.2-0.682=
67.518