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题库 / GMATLA-DS-65
If x and y are integers, is x + y greater than 0?
(1) x is greater than 0.
(2) y is less than 1.
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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带个数进去算
if x=1,y=-2---------------x+y小于0
if x=5, y = -1------------------x+y大于0
因为有两个解---所以两者一起都不行
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