8×75%-3÷3/4 8.5×0.75+7.5×75% 5/8-5/6×(1/4-25%)能简算要简算

问题描述:

8×75%-3÷3/4 8.5×0.75+7.5×75% 5/8-5/6×(1/4-25%)能简算要简算
8×75%-3÷3/4 8.5×0.75+7.5×75% 5/8-5/6×(1/4-25%)能简算要简算

8×75%-3÷3/4
=8×3/4-4
=6-4
=2

8.5×0.75+7.5×75%
=8.5×0.75+7.5×0.75
=0.75×(8.5+7.5)
=3/4×16
=12

5/8-5/6×(1/4-25%)
=5/8-5/6×(1/4-1/4)
=5/8-5/6×0
=5/8-0
=5/8

如果帮到你,请记得采纳,O(∩_∩)O谢谢8×75%-3÷3/4 =8×3/4-4=6-4=2为什么要减43÷3/4=1÷1/4=4