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[null,"a",45,45,3,50]
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[null,null,{"$f":"trojuhelnik(C2,C3,C4)","v":"Není to trojuhelník"},{"$f":"trojuhelnik(D2,D3,D4)","v":"Je to trojuhelník  rovnostranný"},{"$f":"trojuhelnik(E2,E3,E4)","v":"Je to trojuhelník  pravoúhlý"},{"$f":"trojuhelnik(F2,F3,F4)","v":"Je to trojuhelník  rovnoramenný"}]