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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^^)1 K7 G7 J4 a* G$ u/ I
9 m: V" }, k, a/ |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
7 |6 V* p; H2 F: |% K" W9 f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7 t2 ?) b7 i9 u# d/ y6 U
& F; b7 M! {, U1 Q, x8 U
好~始講解. k# R A) T, h* K# S! t
/ n$ e8 C& L+ |) O
0 , -18, 0(一開始買左貨)
$ m( s- g2 F% w8 ^1 l* I0 , 0, 0(年輕人俾錢,但係偽鈔,唔算數)1 i( }! ]* Y: O
0 , 100,-100(借左錢). ]: b0 r+ J3 F7 [/ 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)
# b' y& v3 ]* c9 S1 i0 ,-100,+100(街坊問LOR返錢)' [! d" C8 m$ }3 }5 [, H
/ v- L; t" [6 h3 f8 g8 K& u Q將以上各欄加起來
8 j, c1 |* r0 u! P3 s# C5 t就有97,-97,0(年輕人賺左97,店主蝕左79,街坊無損失)
6 Z b. y9 a: u% v6 P* r! V2 o& A: D; y! X- \
; d# C( ~9 d; O Y2 G- c至於上面FLY的問題,答案我不修改了9 \& ]( M H/ \
0 E. }7 [. l" ~( t. n# y[ Last edited by sakura310 on 2007-2-18 at 06:56 AM ] |
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