> 数学 >
369×886+342×123 用简便计算
人气：328 ℃　时间：2019-08-20 21:22:45
解答
369×886+342×123
=369×886+342/3×369
=369×886+114×369
=369×(886+114)
=369×1000
=369000
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版