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2014-07-03T12:50:52+03:00
Arie patrat= lxl
Arie patrat=3.5x3.5
Arie patrat=12.25 cm patrati

L=5 cm
l=L:2
l=2.5 cm

Aria= lxL
Aria=5*2.5
Aria=12.5 cm patrati

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2014-07-03T12:53:21+03:00