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Va rog am nevoie!!!

11a+11b+11c :(Trei puncte) 11​


Răspuns :

(11a+11b+11c) :11=a+b+c

11a+11b+11c :11= 11a+11b+c

Răspuns:(11a+11b+11c):11=a+b+c

11a+11b+11c:11=11a+11b+c