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Determina numerele naturale x, y, astfel incat: (x - 3) · (y + 2) = 12

Răspuns :

(x-3)(y+2)=12
a)12= 2*6
b)12=3*4
c)12=1*12

a)x-3=2; x=5
y+2=6; y=4

b)x-3=3; x=6
y+2=4; y=2

c)x-3=1; x=4
y+2=12; y=10