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Sa se afle c.m.m.d.c si c.m.m.m.c al nr a)207 si 345 b)441 si 630 c) 15 si 27 si 45. URGENT!

Răspuns :

a) 207=3²×23
    345=3×5×23
c.m.m.d.c=3×23
c.m.m.m.c=3²×5×23

b)441=3²×7²
    630=2×3²×5×7
c.m.m.d.c=3²×7
c.m.m.m.c=2×3²×5×7²

c)15=3×5
    27=3³
   45=3²×5
c.m.m.d.c=3
c.m.m.m.c=3³×5

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