. . "Leischner, Pavel" . . "1"^^ . "12410" . . "RIV/60076658:12410/01:00003009!RIV/2002/MSM/124102/N" . "0"^^ . "Matematika-fyzika-informatika" . "Extrem\u00E1ln\u00ED \u00FAloha o \u010Dty\u0159st\u011Bnu"@cs . "1"^^ . "1" . "1210-1761" . "0"^^ . "Extremel role, elementar mathematic"@en . "680142" . . . "RIV/60076658:12410/01:00003009" . "11" . . . . "Z(MSM 124100006)" . "CZ - \u010Cesk\u00E1 republika" . "[369F9E64D5DA]" . . . "13-17" . "In the paper an elementary solving of following problem is introduced: A tetrahedron has an rectangular net, two faces of the tetrahedron have constant sum of areas. Find lenghts of its edges."@en . "Jako n\u00E1m\u011Bt pro pr\u00E1ci s nadan\u00FDmi st\u010D\u0159edo\u0161kol\u00E1ky jsou element\u00E1rn\u00EDmi metodami zji\u0161\u0165ov\u00E1ny rozm\u011Bry \u010Dty\u0159st\u011Bnu s obdl\u00E9ln\u00EDkovou s\u00EDt\u00ED, jestli\u017Ee sou\u010Det obsahu dvou st\u011Bn \u010Dty\u0159st\u011Bnu m\u00E1 pevn\u011B danou hodnotu. Je uk\u00E1z\u00E1no ,jak \u0159e\u0161en\u00ED z\u00E1vis\u00ED na volb\u011B dvojice st\u011Bn konstantn\u00EDho obsahu." . "Extrem\u00E1ln\u00ED \u00FAloha o \u010Dty\u0159st\u011Bnu" . "5"^^ . . . "Extrem\u00E1ln\u00ED \u00FAloha o \u010Dty\u0159st\u011Bnu" . "Extrem\u00E1ln\u00ED \u00FAloha o \u010Dty\u0159st\u011Bnu"@cs . . "Maximum problem oriented to the tetrahedron"@en . "Maximum problem oriented to the tetrahedron"@en .