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２４００km???9 A8 T' Y/ z4 W1 v/ v5 A

* l, z% G; K% x/ x, y2 Q7 h我以前好似做過好多類似既數。* V2 G3 F# w+ e! a4 D, o9 V, O

+ Q9 Q  N; E. D式：1200/(115+35) x 300

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Originally posted by Triangel at 2007-2-13 14:19:
$ s; @" [- n$ M9 E- @) J0 ^7 ^; M! b+ h+ @; I7 U0 K5 F

1 q6 `  H+ |% j$ \6 ?+ J邊個答對我加分
- a( l$ W* [, x- g. K3 n2 K1 m   遲d痳煩 PlayPlay 公布答案

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& W% m# v; B; V- }7 }+ |  x* ~& W我答得咁快,如果真係岩就加多幾分,好唔好?

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Originally posted by sakura310 at 2007-2-13 20:38:
. c* N8 T* h# V我覺得play兄應該係諗住有兩個答案的,一個係相向,一個係背向9 s& y- m* E* c- N: \9 t, ^
反正題目沒寫明到底是怎樣

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第2個答案係4500???+ h6 n$ s' I  o. B; m
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1200/(115-35) x 300
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???