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Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/formosam/public_html/phpBB3/includes/bbcode.php on line 112 FormosaMBA 傷心咖啡店 • 查看主题 - [問題]GWD30-18
Q18:
If k is a positive integer, is k the square of an integer?
(1)k is divisible by 4.
(2) k is divisible by exactly 4 different prime numbers.
答案是E
請問要怎麼判斷這題阿??