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calculeaza a si b stiind ca a-1/13=1/b+1

Calculeaza A Si B Stiind Ca A1131b1 class=

Răspuns :

Aplicam x/y=z/u=>x=z si y=u
(a-1)/13=1/(b+1)=>
=>a-1=1=>a=1+1=>a=2
=>13=b+1=>b=13-1=>b=12