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Fie numerele 12 si 15.Aflati c.m.m.m.c. si c.m.m.d.c. al lor.

Răspuns :

[12;15]= 2²•3•5=4•15= 60
12=2²•3
15= 3•5
(12;15)= 3
12=2²3
15=3·5
cmmdc=3
cmmmc=2²3·5=60
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