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Afla diferenta dintre a si b stind; a+b+c =20436 a+b=c b:2=a

Răspuns :

Răspuns:

a+b+c =20436

a+b=c =>a+2a=c=>c=3a

b:2=a=>b=2a

a+2a+3a=20436

a=20436:6=>a=3406

b=2·3406=6812

a-b=3406-6812=-3406