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afla numerele a si b stiind ca a + b=375 si a+a+b=450

Răspuns :

a=450-375=75 b= 375-75=300 Verificare: a+b=75+300=375 a+a+b=75+75+300=450
a+b=375;
2a+b=450;
a=450-375=75;
b=375-75=300