Răspunsuri

2014-11-11T19:17:24+02:00
{a,b}D.P.{2,9} => a/2=b/9=k => a=2k, b=9k
axb=72
2kx9k=72
18k^2=72
k^2=4
k=2
a=2x2=4
b=9x2=18
(^2 = la puterea a 2)
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