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a+b=13
axb=30
a=?
b=?


Răspuns :

A + B = 13
A * B = 30
pt. a = 10 si b = 3
10 + 3 = 13
10 * 3 = 30

pt. a = 3  si  b = 10
3 + 10 = 13
3 * 10 = 30