列式计算.80的3/4比一个数的7/5多8.5,求这个数（方程解）
人气：416 ℃ 时间：2019-10-23 14:05:16
解答
设这个数为X 则 60-(7/5）x=8.5
-1.4x= -51.5
x=36又11/14
不晓得对的还是错的 你验证下
推荐
猜你喜欢
- Why don`t you talk to her about it 同义句__ __ talking to him about it?
- 坚持做一件事情就会成功,这句用一个四字成语概括
- 两捆电话线的长度相等,如果第一捆剪去20米,第二捆剪去4米,那么第二捆剩下的长度正好是第一捆余下长度的3
- You're shorter than me的问句 My legs are longer than yours的问句 She is 2years younger than you
- 已知三角形ABC中,A(2,-1),B(3,2),C(-3,-1),BC边上高为AD,求向量AD及D点坐标
- My father will come back in a week .同义句转换（ )( )a week ()my father comes back.
- I don't regret the things I've done,I regret the things I didn't do when I had the chance.不为做过
- 例句：书似阶梯,开启心灵之门；书似灯塔,照亮前行之路.仿句：(>_
