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Afla valoarea lui a.6+{6x[6+(ax6)]:2}x4=366

Răspuns :

6 + {6 x [6+(ax6)] : 2} x 4=366
6 + 3x[6+(ax6)] x 4=366
6 + 12(6+6a)=366
6+72 +72a=366
78+72a=366
72a=366-78
72a=288
a=288:72
a=4