Question

上面四题，跪求学霸解答！拜托啊啊啊啊啊啊啊啊啊！！！！！！！

Answer 1

这么多

追答

给你列式自己解

给你列式自己解

行不

追问

好吧，我也觉得有点多。。。

追答

稍等

追问

好的

追答

 

设的x都是未知数

追问

好厉害！跪谢！

追答

嘻嘻

追问

我感觉再看天书一样。。。

（误！）我感觉在看天书一样。。。

Answer 2

额

追答

思齐

简单

追问

You can you up！

追答

no，I can't .

I love diffcont mast

I Know, see you my too dask , l well help you.

one a (45+35)×2.5

two a (110÷5)-2

three a 650-(50+52)×4

four a (20+4)×6÷(20-4)

then one It's 200

two It's 20

three it's 242

four it's 9

In MS.Zhao say the ‘Gui Yi’ then.