Răspuns:
c.m.m.d.c=6
c.m.m.m.c=360
Explicație pas cu pas:
18=2×3^2
120=2^3×3×5
=>c.m.m.d.c=2×3=6
=>c.m.m.m.c=2^3×3^2×5
=72×5=360
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