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[Problem Solving]
试题详情
题目：
If 2x + y = –31, what is the value of x?
(1) (y − 2) × (y − 2) − 4 = 0
(2) y = 2
(1) (y − 2) × (y − 2) − 4 = 0
(2) y = 2
选项:
A、A. if statement (1) ALONE is sufficient to answer the question but statement (2) alone is not sufficient;
B、B. if statement (2) ALONE is sufficient to answer the question but statement (1) alone is not sufficient;
C、C. if the two statements TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient;
D、D. if EACH statement ALONE is sufficient to answer the question;
E、E. if the two statements TAKEN TOGETHER are still NOT sufficient to answer the question.
答案:
B
提问：
老师我问下图片中的这题，虽然第二个能直接算出答案，但1和2加在一起也能求解，这种情况还是优先选B答案吗？谢谢
解答：
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提问：
老师我问下图片中的这题，虽然第二个能直接算出答案，但1和2加在一起也能求解，这种情况还是优先选B答案吗？谢谢
解答：
点赞0
阅读743
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