a+b=ab
9 c, b& z# M7 `a=ab-b
7 `8 |0 h3 Y- K/ w. C! Jtvb now,tvbnow,bttvba=b(a-1)
1 o' ~ ^% D3 X! h9 j公仔箱論壇b=a/(a-1)
. q. n1 N/ s5 k! u5 ~6 I6 s5.39.217.77:88985.39.217.77:8898' l2 _+ B; f6 W
a=3,b=3/2 tvb now,tvbnow,bttvb: W3 n Y1 }; G6 T
a=4,b=4/3
. ^2 k" _+ k5 u: ^" M/ B公仔箱論壇a=5,b=5/4tvb now,tvbnow,bttvb S ]8 O1 `0 O+ T
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