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题库 / GMATAdvanced-DS-81
Each entry in the multiplication table above is an integer that is either positive, negative,or zero. What is the value of a?
(1)h≠0
(2)c=f
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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条件1: c不等于0
条件2: ca = c
1+2可以知道a=1，做题时误看a=0的情况了，a=0的话只在ca=a的情况成立...
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