想問大家一條數,,
ab+bc-ac=0R)K;Z%_9sVa-c=1014j'^?9T){*i-a%a
求b
要STEPS,,,THX a=101, b&c =0 :D 我都知,,但唔知點得出個ans.,,anyway,,THX a=101-c'ZDJ IR
ab+bc-ac=0
b(101-c)+bc-c(101-c)=0
101c-bc+bc-101c+(c*c)=06u-? F_4@ _ ^jSK
c*c=0
c=0'h?-HTD.x
a=101-0Uki!l\
a=101 ~.aO2[a(or?P2B
ab+bc-ac=0
a=101Y0Moc!kH
c=00Q&T%X%xTqZ
101b + 0*b - 101*0=0V2]h ayL7w
101b=0
b=0 [quote]Originally posted by [i]ch.chak[/i] at 2008-1-17 09:38 PM:
a=101-c
ab+bc-ac=0/O-M W}o
b(101-c)+bc-c(101-c)=0
101c-bc+bc-101c+(c*c)=0
c*c=0
c=0uv r"R"GG g
nM$h` p:B;U$YU9A
a=101-0
a=101snL7](|'U
4r?v\xAJIY(a
ab+bc-ac=0.T#rv#wkk
a=101k!JVR2h@6~7Q$}
c=0
101b + 0*b - 101*0=0
101b=0
b=0 [/quote]Vi.Z FX#l,m ^ i
p/H3j%`7l&[ Dp'U(V6F
對不起3k3rNIG8JVq
請容許我指出錯誤k/C5Tv ^5A"i*a
在一開頭+{N"VUu8\6I
[color=Red]a=101-c[/color](原本是a-c=101,移項應該是a=101+c)7? tQW0r't8| @7S
ab+bc-ac=0 _|(^2{`
[color=Red]b[/color]([color=Red]101[/color]-c)+bc-c(101-c)=0
[color=Red]101c[/color]-bc+bc-101c+(c*c)=0