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2014-09-12T19:19:53+03:00
Xm = (xa + xb) / 2 = (3 + 1) / 2 = 4 / 2 = 2
ym = (ya + yb)/2 = (4 + 2) / 2 = 6 / 2 = 3
=> Vectorul OM(2, 3)


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