> 其他 >
125*1.2*1.5*1.8*3.2 与12.5*67+53*3.1+72*3.1 怎样简便计算,谢谢!
人气:308 ℃ 时间:2020-06-15 03:00:48
解答
125*1.2*1.5*1.8*3.2
=125×3.2×1.5×1.2×1.8
=125×0.8×4×1.5×2.16
=100×6×2.16
=6×216
=1296
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版