He wears a pair of glasses.(改成一般疑问句）

来源：学生作业帮编辑：灵鹊做题网作业帮分类：英语作业时间：2024/04/29 05:02:25

He wears a pair of glasses.(改成一般疑问句）
He has a black mustache（改成否定句）
I am tall and fat（对tall and fat)部分提问
用加减法解下列方程组
2分之1x-2分之3y=-1
2x+y=3（写过程,

Does he wear a pair of glasses?
He doesn't has a black mustache.
How are you?
1/2-2/3y=-1
-2/3y=-1/2
-2y=-3/2
2y=3/2
y=3/4
2x+y=3
y=3/4
2x+3/4=3
2x=12/4-3/4
2x=9/4
x=9/8
x=9/8
y=3/4

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