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

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