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Răspuns:
42=2·3·7
c.m.m.m.c.[12,42]= 2²·3·7= 4·3·7= 12·7= 84
27=3³
c.m.m.m.c.[15,27]= 5·3³= 5·27= 135
60= 2²·3·5
c.m.m.m.c.[72,60]= 2³·3²·5= 8·9·5= 360
150=5²·3·2
c.m.m.m.c.[108,150]= 5²·3³·2²= 25·9·4= 900
56=2³·7
c.m.m.m.c.[21,56]= 2³·3·7= 8·3·7= 168
18=2·3²
12=2²·3
c.m.m.m.c.[48,18,12]= 2⁴·3²= 16·9= 144
63=7·3²
84=2²·3·7
c.m.m.m.c.[56,63,84]= 2³·3²·7= 8·9·7= 504
12=2²·3
21=3·7
c.m.m.m.c.[72,12,21]= 3²·2³·7= 9·8·7= 504
189=3³·7
c.m.m.m.c.[162,189]= 3⁴·2·7= 81·2·7= 1134
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