> 数学 >
6.19*2.05+79.5*0.619的简便运算
必须是简便的呐~
人气:261 ℃ 时间:2020-04-06 07:59:30
解答
6.19*2.05+79.5*0.619
=6.19×2.05+7.95×6.19
=6.19×(2.05+7.95)
=6.19×10
=61.9
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版