> 数学 >
5又1/2-(4/5+3.6×1/6)×1/4 怎么简便计算?
人气:251 ℃ 时间:2020-01-31 01:34:57
解答
5又1/2-(4/5+3.6×1/6)×1/4
=5.5-4/5x1/4-3.6x1/4x1/6
=5.5-1/5-0.9x1/6
=5.5-0.2-0.15
=5.15
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版