> 数学 >
(3/4×0.75+3/4×0.25)÷6/7(简算)
人气:331 ℃ 时间:2020-04-09 10:55:13
解答
(3/4×0.75+3/4×0.25)÷6/7
=3/4x(0.75+0.25)x7/6
=3/4x7/6
=7/8
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版