§笨↑仔§ 2008-7-31 21:34
§令數學老師吐血的小考答案§
[table=100%,#FFFFE6][tr][td][size=9pt][發帖際遇]: [url=http://ds-hk.net/event.php]§笨↑仔§在五星級酒店和MM HAPPY一晚, 花費現金31Ds幣.
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敏銳的觀察力
[img]http://img221.imageshack.us/img221/8987/3ow0.jpg[/img]
令老師抓狂的消去法!
[img]http://img83.imageshack.us/img83/854/5ss2.gif[/img]
算式原來是這樣展開的
[img]http://img221.imageshack.us/img221/1997/4ok4.jpg[/img]
無言
[img]http://img83.imageshack.us/img83/5775/2ni5.gif[/img]
原來變數是可以這樣消去的啊
[img]http://img83.imageshack.us/img83/9271/176tx5.jpg[/img]
s9706 2008-7-31 21:40
peter同limit那個，我是到中四才學
要是我年齡小一點學的話((人大膽些))，我都會這樣玩^_^
套那個老師的話：「it's funny, Peter」^四^