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aflati c.m.m.d.c si c.m.m.m.c al numerelor 420,490,350

Răspuns :

Christian02
Descompunem in factori primi:
420=21 x 2 x 2 x 5 = 2^2 x 3 x 5 x 7
490 =7^2 x 2 x 5
350 = 7 x 5 x 2 x 5 = 2 x 5^2 x 7

cmmdc = 2 x 5 x 7 = 70
cmmmc = 2^2 x 3 x 5^2 x 7^2 = 100 x 147 = 14700

Succes!