8÷(31.25×0.4)+99.36 怎么简便? 还要分析!_数学解答

8÷(31.25×0.4)+99.36 怎么简便? 还要分析!

人气：157 ℃　时间：2020-02-03 04:06:17

解答

8÷(31.25×0.4)+99.36
= 8/(31.25×0.4)+99.36
= 8×8/(31.25×8×0.4)+99.36
= 64/100+99.36
= 0.64+99.36
= 100