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19#
發表於 2007-2-18 06:53 AM
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我係咁諗的(應該同你差唔多啦^^)
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因為我唔想畫表,所以我用三個數字代表年輕人,店主同街坊
6 n" h. O9 c) F$ m如-1,0,1 即係年輕人蝕1蚊,店主無得失,街坊賺1蚊,而錢銀變化原因我會在右邊括住,方便大家睇
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好~始講解
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0 , -18, 0(一開始買左貨)5 D$ t3 [6 ^1 e& j0 }! J
0 , 0, 0(年輕人俾錢,但係偽鈔,唔算數)
0 f) }3 @8 n& [" i/ }0 , 100,-100(借左錢)" m n. O& T3 ^' i4 q
97, -79, 0(年輕人要貨[原價18蚊JA]+79蚊的找錢,要說21也沒關係,反正唔關店主事)$ D& G( M. ^' @5 ]
0 ,-100,+100(街坊問LOR返錢)
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將以上各欄加起來
( R) \' s2 H$ ^, [# n0 h& W @& D就有97,-97,0(年輕人賺左97,店主蝕左79,街坊無損失)
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至於上面FLY的問題,答案我不修改了* ~. b1 s, k4 T5 f* L- u; v
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[ Last edited by sakura310 on 2007-2-18 at 06:56 AM ] |
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