吃
I bet you'll get along well with them
this makes me happy when im really sad
眾人皆滿意
又有錢又聰明老婆又漂亮,身體又好根本人生勝利組
yeyeyyeyey
如何統計用課本翻頁抽出學生
1
老師上課,若用課本翻頁抽學生,統計出被抽到的機率有多少
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What time do you .............?