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SAT I 每日一问:2013年10月31日

沪江英语 2013-11-01 09:45
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The correct answer is A

Explanation

Since (t-2)^2 = (t-2)(t-2) = 0, it follows that t-2 = 0, and so t = 2. Therefore, (t + 3) times (t+6) = (2+3)(2+6) = 5*8 = 40.

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