Răspuns :

Pancakebum88id

Răspuns:

Notezi numerele cu x y si z

x+y+z=7511

y+z=6247=> x= 7511-6247

x= 1264

y=x+12=> y= 1264+12

y= 1276

1276+z=6247=> z=6247-1276

z= 4971

Budimagda2id

Răspuns:

a+b+c=7511

b+c=6247

b=a+12

_____________.

a+6247=7511

a=7511-6247

a = 1264

b= 1264+12

b= 1276

c= 7511-(1276+1264)

c= 7511- 1540

c= 5971

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