如果-x=-5,那么x=?如果-a=a,那么a=?1-2+3-4+5-6+7-8+...-100+101=?-1+3-5+7-9+...-97+99=?It is a red pen in English.对a red pen 提问My computer is very new.改为一般疑问句That is a baseball.改为反问句these是?代词That is a yellow pencil.就a yellow pencil提问一般疑问句是什么
问题描述：
如果-x=-5,那么x=?如果-a=a,那么a=?
1-2+3-4+5-6+7-8+...-100+101=?
-1+3-5+7-9+...-97+99=?
It is a red pen in English.对a red pen 提问
My computer is very new.改为一般疑问句
That is a baseball.改为反问句
these是?代词
That is a yellow pencil.就a yellow pencil提问
一般疑问句是什么
答
1.5
2.0
3.51
4.50
5.What is this in English?
6.Is your computer very new?
7.Isn't that a baseball?
8.these是代词
9.What is that?
Is that a yellow pencil?
答
如果-x=-5,那么x=5；如果-a=a,那么a=01-2+3-4+…-100+101=51,你可以两项两项的结合算,最后再加上101-1+3-5+7-…-97+99=50,也是两个两个的算,最后再看有25个2,所以就是50了回答：what is it in English?Is your compu...