[公告]GWD19-19

[magic]

Q19:
Is 12 a factor of the positive integer n?
(1) n is a factor of 36.
(2) 3 is a factor of n.

可以請大大們幫我翻一下題意嗎??
順便教一下^^"

[Pao]

12是正整數n的ㄧ個因數嗎?
A. n是36的ㄧ個因數
B. 3是nㄧ個因數
ANSWER E
example if n=6 12不是正整數n的因數 if n=12 則是。
所以無法確定

[magic]

謝謝^^

[chris8888]

Is 12 a factor of the positive integer n?
(1) n is a factor of 36.
(2) 3 is a factor of n.
yeah, 根據(1), 36/n ... 0, 整除, n = 1,2,3,4,6,9 .... 太多了, insufficient
根據二, n/3, n = 3,6,9,12,15, too many, insufficient

(1) + (2), 3,6,9,....還是太多了, insufficient => E