5分之7与它的倒数的和的8分之7是多少?
人气:249 ℃ 时间:2020-02-05 14:28:15
解答
(7/5+5/7)×7/8
=74/35×7/5
=74/25
推荐
猜你喜欢
- 呼吸作用在细胞的哪个结构进行?
- 初二课文《藤野先生》中作者是怎样一个人?
- a,b,c,d是四个不同的非0数字,abcd这个四位数是13的倍数,bcda是11的倍数,cdab是9的倍数,dabc是7的倍数.问a,b,c,d各是多少?
- 直线x y 根号2=0截圆x方 y方=4所得劣弧所对圆心角为
- Chat with his friends on the internet is his hobby .(找出错误)
- He often helps people on his work
- there are some pictures in my bag同义句
- 一尺等于多少cm?