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题库 / Prep2007E2-DS-6
The operation @ represents either addition, subtraction, or multiplication of integers. What is the value of 1 @ 0 ?
(1) 0 @ 2 = 2
(2) 2 @ 0 = 2
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
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笔记：这题搞笑了，条件2：加减法都可以
但是代入题干1 @ 0，都等于1，所以条件2也满足。。。
绝了
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