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afla diferenta a-b daca ab-ac-48=2 si a=10
Factori comuni


Răspuns :

ab-ac-48=2
10b-10c-48=2
10b-10c=50
b-c=5
ab-ac-48=2
a(b-c)=2+48
10(b-c)=50
b-c=50:10
b-c=5