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SAT I 每日一问:2012年11月27日

沪江英语 2012-11-27 09:41
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Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

In a community of 416 people, each person owns a dog or a cat or both. If there are  316 dog owners and 280 cat owners, how many of the dog owners own no cat? 

(A) 36
(B) 100
(C) 136
(D) 180 
(E)  316

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