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Daca X,Y € IN,atunci aflati:
X×Y,stiind ca (X;Y)=12 si [X;Y]=720
URGEEENT!!


Răspuns :

(xy) ori [X,Y] =X ORI Y
INLOCUIM
12 ORI 720=8640



















12=2²*3; 720= 3²*2⁴*5; ➡ X= 2²*3; Y= 3²*2⁴*5 ➡ X*Y= 12*720=8640.