lawi

a+b=ab
: k; c+ u2 L" Q- w5.39.217.77a=ab-b
0 {. V- W, O+ r; C# y5 P+ Z3 a. {& ta=b(a-1)
- w* s8 z$ ~1 p0 S" i# Z* \2 \5.39.217.77b=a/(a-1)
! e3 h! S4 p* z6 G; B8 f" l" P2 C公仔箱論壇5.39.217.778 T8 K! K9 g# \3 b, r7 V
a=3,b=3/2  
  r1 `; `# z& M: X/ l/ `. G公仔箱論壇a=4,b=4/3
" R1 S% C  E  U% Z; Q7 ma=5,b=5/4tvb now,tvbnow,bttvb2 e+ N3 ]. y, o) B% V
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