> 数学 >
7×1.204+0.87×70+0.96×0.7简便计算
人气:251 ℃ 时间:2020-06-22 17:41:46
解答
7×1.204+0.87×70+0.96×0.7
=7×(1.204+8.7+0.096)
=7×10
=70
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版