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2007 年 3 月 20 日 星期二  |
| 2007-03-20 |
好火呀今日............
要唔順啦.......
搵人發洩...
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
唔好再問我點做呀..........
A'B'C'D'D的所有邊長是ABCD的0.75倍
設高是O,闊是L.
O = 1 = 4 L 1 =4
O'=0.75=3,L'=0.75=3
ABCD的面積 = E F
A'B'C'D'的面積=(E') (F')
=4 4
3X3
=16
9
ABCD的面積:A'B'C'D'的面積=16:9
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| 刊登時間：2007-03-20 10:01 PM [ 編輯日誌 ] [ 分享至FACEBOOK ] |
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