> 数学 >
7/12+(5/6-3/8)乘2/11简便计算
人气:280 ℃ 时间:2019-12-24 10:42:00
解答
7/12+(5/6-3/8)×2/11
=7/12+(20/24-9/24)×2/11
=7/12+11/24×2/11
=7/12+1/12
=2/3
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版