8分之3+（7分之4+8分之5）
=8分之3+7分之4+8分之5
=8分之3+8分之5+7分之4
=1+7分之4
=1又7分之4
猜你喜欢
- 1Where is the computer怎么回答
- 2The news has spread all over the country ___ the spaceship succeeded in returning to the earth
- 3请问硫酸的化学式和式量是什么
- 4西北地区的地形
- 5当坡角记作a,坡度等于坡角的 ,即i= ,坡度越大,坡角
- 6红楼梦第四十八回,对于大漠孤烟直,长河落日圆
- 7“ Did you notice John was not at work today ”
- 8Cody washes her hands before dinner过去式怎么变?
- 9数据98,99,101,102,100的方差是_
- 10已知函数f(x)=lnx-ax+1