verificati daca (84;72)x[84;72]=84x72

Răspuns :

84 = 2 x 2 x 3 x 7

72 = 2 x 2 x 2 x 3 x 3

(84,72) = 2 x 2 x 3 = 12

[84,72] = 2 x 2 x 2 x 3 x 3 x 7 = 504

84 x 72 = 6048 = 504 x 12 = (84,72) x [84,72]