Răspunsuri

2014-11-09T15:56:22+02:00
(abc+bca+cab):(a+b+c)=
(100a+10b+c+100b+10c+a+100c+10a+b):(a+b+c)=
(111a+111b+111c) : (a+b+c) =
111(a+b+c):(a+b+c)= 111

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