求解CE past paper 20點

2012-10-23 5:44 am
求解HKCEE 1997年數學 MC 47題:)
更新1:

我要嘅係詳解

回答 (1)

2012-10-23 8:56 am
✔ 最佳答案
As Triangle AED ~ Triangle ABC

AE / 2 = ( AE + EB ) / 3
3AE = 2AE + 2EB
AE = 2EB
AE : EB = 2 : 1
E = ( ((4)(1)+(0)(2)) / (2+1) , (7)(1)+(1)(2)) / (2+1) ) = (4/3 , 3)


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