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Afla b+c+a daca:
A+B=236
B+C=632
A+C=707



Va rog repede va dau 20 puncte


Răspuns :

A+B=236
A+C=707

707-236=471 (A)

A+B=236
B+C=636

636-236=400 (B)

B+C=632
A+C=707

707-632=75 (C)

B+C+A=
400+75+471=
475+471=946
1)236+632+707=1585 (suma celor trei numere