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a+b=52 a:b=3 rest 8 . calculati a; b ?

Răspuns :

A=3B + 8 3b + 8 + b=52 4B=52-8 4B=44 B=44:4 B=10 A+10=52 A=52-10 A=42 Proba: 42+10=52 42:10=3(rest 8)