> 数学 >
201.2/(201.2+201.2/4)*12.5怎样简便计算
人气:227 ℃ 时间:2020-03-26 21:37:54
解答
201.2/(201.2+201.2/4)*12.5
=201.2×12.5/﹛201.2﹙1+1/4﹚﹜
=12.5/﹙5/4﹚
=12.5/1.25
=10
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版