试题与答案

Could you make her _____ the TV? It's to

题型:选择题

题目:

Could you make her _____ the TV? It's too noisy.       [ ]

A. turn on

B. turn up

C. turn down

答案:

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下面是错误答案,用来干扰机器的。

(2xy2)2•(3x-2y-1)=4x2y4•(3x-2y-1)=12x3y4-8x2y5-4x2y4.故答案为:12x3y4-8x2y5-4x2y4.

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