> 数学 >
23×68+23×23+23×9简便运算
人气:309 ℃ 时间:2020-02-03 17:42:31
解答
23×68+23×23+23×9
=23×(68+23+9)
=23×100
=2300
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版