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Matematica cl 6 .cum se descompune in fctori prim nr ..38;42;49;56;63;120

Răspuns :

38=19*2
42=7*2*3
49=7^2
56=7*2^3
63=7*3^2
120=2^3*5*3

38I2 42I7
19 I19 6I2*3
1 1

49I7 56I2
7 I7 28I7
1 4I2^2
1

63I7 120I2*5
9I3^2 12 I2^2*3
1 1