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Rez kocky rovinou MNO
[b][color=#198f88]Daná je kocka s hranou veľkosti 6 cm. Zostrojte rez kocky rovinou určenou vyznačenými bodmi. Bod M je stredom hrany AB, bod N je stredom hrany AE a bod O je stredom uhlopriečky štvorca EFGH.[/color][/b]