52×0.99 怎么简算?52×0.99 这道题怎么简算

问题描述:

52×0.99 怎么简算?
52×0.99
这道题怎么简算

52*(1-0.01)
=52-0.52
=51.48

52×0.99
=52×(1-0.01)
=52×1-52×0.01
=52-0.52
=51.48