简便计算:0.1÷0.02+0.45×0.01
问题描述:
简便计算:0.1÷0.02+0.45×0.01
答
0.1÷0.02+0.45×0.01
可以看作0.1÷1/50+0.0045
0.1×50+0.0045
5+0.0045
=5.0045