> 数学 >
16/23¤27+16¤19/23 (¤代表乘号)要简便!
人气:473 ℃ 时间:2020-01-29 14:58:35
解答
16/23×27+16×19/23
=16/23×27+19×16/23
=16/23×(27+19)
=16/23×46
=16×2
=32
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版