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identifica nr a b c stiind ca b-2c=22 b-a=24. a+a+a+a=16

Răspuns :

4a = 16;
b-2c=22;
b-a=24;

a = 16/4 = 4;
b-4=24 => b = 28;
28-2c=22 => 2c = 28-22 = 6; => c= 6/2 =3.