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CARE SINT NUMITORI COMI A LUI 12 SI 20?



Răspuns :

[tex]12|2~~~~~20|2 \\ ..6|2~~~~~10|2 \\ ..3|3~~~~~..5|5 \\ c.m.m.m.c=2^2*5*3 \\ c.m.m.m.c=\underline{60} [/tex]
Cel mai mic multiplu comun al lui 12 si 20 este:
12=2²x3
20=2²x5
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c.m.m.m.c=2²x3x5=4x3x5=12x5=60