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2014-03-10T10:05:15+02:00
(x,y)D.P(2,3)⇒x/2=y/3=k⇒ 
x/2=k⇒x=2k⇒x=12
y/3=k⇒y=3k⇒y=18 si c.m.m.mc a lui 12 si 18=2²·3²=4·9=36
2k+3k=36-k
2k+3k+k=36
6k=36/6
k=6
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