(a+b)/c-b/c=2+b/a(a+b≠0,a,b是常数)

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(a+b)/c-b/c=2+b/a(a+b≠0,a,b是常数)(a+b)/c-b/c=2+b/a(a+b≠0,a,b是常数)(a+b)/c-b/c=2+b/a(a+b≠0,a,b是常数)(a+b)/c

(a+b)/c-b/c=2+b/a(a+b≠0,a,b是常数)
(a+b)/c-b/c=2+b/a(a+b≠0,a,b是常数)

(a+b)/c-b/c=2+b/a(a+b≠0,a,b是常数)
(a+b)/c-b/c=2+b/a
a/c=(2a+b)/a
a²=c(2a+b)
c=a²/(2a+b)

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