0.1÷0.02+0.45×0.01简便计算
问题描述:
0.1÷0.02+0.45×0.01简便计算
答
0.1÷0.02+0.45×0.01
=10÷2+0.0045
=5.0045
答
0.1÷0.02+0.45×0.01
=0.01×50×10+0.45×0.01
=0.01×(500+0.45)
=0.01×500.45
=5.0045