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Calculati c.m.m.d.c. a numerelor: -252, 378, 882 .

Răspuns :

252=2²*3²*7
378=2*3³*7
882=2*3²*7²
cmmmc=2²*3³*7²=5292
cmmdc=2*3²*7=126
252=2²·3²·7[descompunere in factori primi];
378=2·3³·7;
882=2·3²·7²;
⇒c.m.m.d.c=[252,378,882]=2·3²·7=2·9·7=18·7=126;