[閒聊] 20110530 腦力激盪閒聊區
看板SuperStarAve (星光板)作者l00000000 (我有一億)時間14年前 (2011/05/30 01:38)推噓109(109推 0噓 66→)留言175則, 30人參與討論串1/1
1.單選題
已知a b 為不為零的實數 請問下列何者正確
(1) a > 0
(2) a < 0
(3) b < 0
(4) ab < 0
因為a不等於零,按照三一率,a=0 a>0 a<0中必有一者成立
所以1跟2必有一者對,代表3 4錯
3的反面解釋為 b>0┐
├──→a>0
4的反面解釋為ab>0┘
2.填充題
伯恩跟阿達兩人到101參加登高大賽
"各自"自己保持一樣的速度
同時從一樓起跑
伯恩到 4 樓時,阿達到 3 樓
則伯恩到100樓時,阿達到___樓
從1樓起跑,所以到4樓事實上只爬了3層
到3樓事實上只爬了2層
兩人速度比是3:2
到100樓是爬99樓 所以另一人爬66樓
1樓起爬66樓所以是67樓
3.申論題
有五台公車ABCDE由前到後排成一列 每台公車後面階標示自己要去甲/乙地
但司機皆不知自己要去哪 但因為排成一列 所以後面的公車可以看到前面
每台車的目的地,所以E公車可以看到ABCD要去的地方
有人問C說 你知道你要去哪嗎? C說我不知道
之後
有人問B說 你知道你要去哪嗎? B說我不知道
之後
A車司機聽到後就大喊~~我知道了 就開走了
已知五台車中 三台要去甲地兩台要去乙地
請問A車要去哪地
C如果看到前面兩台都是去乙地的話 他就知道自己要去甲地 但他不知
所以只剩AB只剩三種狀況
┌─┬─┐
│A │B │
├─┼─┤
│甲│甲│ 所以B如果看到A是乙 一定知道自己是甲
├─┼─┤ 但B不知道 所以A聽到後知道~~自己是去甲
│甲│乙│
├─┼─┤
│乙│甲│
└─┴─┘
4.生活題
國華跟子璇一起出遊,買一塊高級蛋糕一起吃,已知國華吃了4/7
子璇吃了3/7
且知國華比子璇多付了55元
求此蛋糕原價多少?
說55*7=385元的人一定還沒脫團XD
5.音樂常識題
國內哪一個音樂團體他們的副業其實是~~~~消~~~~防~~~~隊
提示:3個英文字母的團體
FIR→飛兒樂團 因為:飛 ㄜˊ 撲火
--
▁▁
▕一我▏
▕兆有▏
▔▔
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 203.73.55.162
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※ 編輯: l00000000 來自: 203.67.54.220 (05/30 23:38)
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