[問題]GWD 4-3

[FionaV]

Q3:

If k, m, p are inteers, is k-m-p odd?
(1) k and m are even and p is odd
(2) k, m, and p are consecutive integers

答案是A

為什麼(2)不sufficient呢?

[FionaV]

啊....我知道了
太粗心了