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家因日日9點幾先番到home...

仲要沖涼食飯嫁...

都十一點...

累到x街...

so一訓就天光...

其實我零晨開電腦有個原則~~!

就係..........

部電腦冇山到....

嘿嘿嘿嘿....

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