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2014-07-01T20:46:35+03:00
N=nr cautat
n=[ M_{15};M _{12} ;M _{20} ]+10
15=3·5
12=2²·3
20=2²·5
n-cel mai mic
n=3·5·2² +10
n=15·4 + 10
n=60+10=70
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