> 数学 >
88除(78+八分之五*16) {八分之七-(十五分之四加十二分之七)}除于十六分之五
人气:237 ℃ 时间:2020-06-02 06:23:27
解答
88÷[78+(5/8)×16]
=88÷(78+10)
=88÷88
=1
[7/8-(4/15+7/12)]÷5/16
=[7/8-(16/60+35/60)]×16/5
=(7/8-51/60)×16/5
=(105/120-102/120)×16/5
=1/40×16/5
=2/25
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版