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一.根据答语写问句1.------------------------.She's pretty short.2.---

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一.根据答语写问句
1.------------------------.
She's pretty short.
2.------------------------.
Yes,he has a mustache and beard.
二.单句改错
1.Where is the country CDs?
They are over there.
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一.若x + 6 = y - x - 8 = 2x + 3y - 1,则x = --------------,
y = -------------,3x - y = -------------.
越细越好Thank,Thank!
能不能两个一起回答呀?不然不好选最佳呀。
一.根据答语写问句1.------------------------.She's pretty short.2.---
一.1
How tall is she
What does he look like
二.Where are the country CDs?
They are over there.
数学
由x + 6 = y - x - 8,得到y=2x+14
代入y - x - 8 = 2x + 3y - 1,则得到
2x+14-x-8=2x+3(2x+14)-1
x+6=8x+41
7x=35
x=5
代入y=2x+14,得:
y=2*5+14
y=24
把x=5,y=24代入3x - y
3x - y=3*5-24
3x - y=-9
所以x=5,y=24,3x - y=-9
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算我帮你了!
一般情况下没问题,
最多错出现在英语的一.1上.
:)