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Se da a/b=2/5.Stiind ca a+b = 49 sa se afle numerele a si b.

Răspuns :

a/b=2/5=2k/5k
2k+5k=7k=49
k=7
a=2*7=14
b=5*7=35
as simple as that!!!
a/b=2/5
a+b  / b = 2+5  / 5
49/b = 7/5
7/b=1/5
b=35
a=2b/5=2*7=14