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标题: 请教天山数学第5题 [打印本页]

作者: wanders 时间: 2005-6-22 06:43 标题: 请教天山数学第5题

Q5:

If (y+3)(y-1) – (y-2)(y-1) = r(y-1), what is the value of y?

(1) r2 = 25

(2) r = 5

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is

sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

Answer:E

请问其他XDJM对此答案是否有异议？

作者: newasers 时间: 2005-6-23 06:41

agree!!

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