If a > 0, b > 0, and c > 0, is a(b - c) = 0 ?
(1) ~$b-c=c-b$~
(2) ~$\frac{b}{c}=\frac{c}{b}$~
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.
忽略了 a > 0, b > 0, and c > 0
我做这题的时候忘了条件却还自以为很机智哈哈哈
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大于零大于零!!!!
条件给出b、c都是大于零的数!
abc都大于0!
abc都大于0