[中學] 2題國高中數學問題
請各位大大幫我回答解惑一下
這兩題我想好久但是還是想不到(慚愧)
1.
足球社有12位校腳,代表學校參加比賽,第一場1:0勝附中,校長問此球和人踢
進,此12位足球代表為了展示除了踢球以外也很會念書,所以隊長就訂了一個遊戲:
第一:
校長可將同學任意分成兩組,問入球者在哪一組,則入球者所在那一組必須由其中
一人回答在這。
第二:
校長可問三次找出入球者
請問校長如何辦到?
2.
題目:神奇的一
主持人將牌洗勻 平分成二堆
將一堆給同學看,確定為26 張
將此 26 張牌依序放於另一堆之後
玩 十全十美
先翻開第一張,若為6則補至10(及補4張),若為10 J Q K 則視為 10,而不需要再補。
如此動作共做4次,將剩下之牌放至定位
將此四堆之頂牌取總和後,得一神奇數字
從剩餘之牌當中,開始數至神奇之和之數字。大聲說出那一張牌
請問,此牌為何??
若有會這兩題的朋友請不吝指教,我想到快破頭了>.<
..
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