试题与答案

先化简,再求值:(3x+1)(2x-3)-(6x-5)(x-4),其中x=-2.

题型:解答题

题目:

先化简,再求值:(3x+1)(2x-3)-(6x-5)(x-4),其中x=-2.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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Li:    2    So I get up at about 6:30.
Ann:   3   
Li: Yes, I have some bread and a glass of milk. Sometimes I have an egg.
Ann:    4   
Li: Work begins at 7:30 and I have lunch at about 11:30.
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Li:    5    

A. And what time do you get to work?
B. Oh, yes. We work very hard in our factory.
C. I leave work at 5:30 and get home at 5:50.
D. Do you have breakfast?
E. Well, my home is near the factory.
F. Do you have lunch?
G. How do you go to work?
1._____ 2._____ 3._____ 4._____ 5._____
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