[{"question":"Prep\u00ed\u0161 na logaritmus: 3(-3)<\/sup> = 1\/27","answers":["log1\/27<\/sub> 3 = -3","log3<\/sub> 1\/27 = -3","log-3<\/sub> 1\/27 = 3","log3<\/sub> -3 = 1\/27"],"correct":"log3<\/sub> 1\/27 = -3","order":"1"},{"question":"Prep\u00ed\u0161 na logaritmus: 44<\/sup> = 256","answers":["log4<\/sub> 4 = 256","log256<\/sub> 4 = 4","log4<\/sub> 256 = 4","log4<\/sub> 256 = -4"],"correct":"log4<\/sub> 256 = 4","order":"2"},{"question":"Prep\u00ed\u0161 na logaritmus: 24<\/sup> = 16","answers":["log2<\/sub> 16 = 4","log2<\/sub> 4= 16","log-2<\/sub> 16 = 4","log2<\/sub> 4 = -16"],"correct":"log2<\/sub> 4 = -16","order":"3"},{"question":"Ur\u010d nezn\u00e1my rvok logaritmu: log1\/10<\/sub> 1000 = x","answers":["-3","3","1\/3","-1\/3"],"correct":"-3","order":"4"},{"question":"Ur\u010d nezn\u00e1my rvok logaritmu: log2<\/sub> \u221a8 = x","answers":["-2\/3","3","3\/2","2\/3"],"correct":"3\/2","order":"5"},{"question":"Ur\u010d nezn\u00e1my rvok logaritmu: loga<\/sub>81 = 4","answers":["9","3","6","nedefinovan\u00e9"],"correct":"3","order":"6"},{"question":"Ur\u010d nezn\u00e1my rvok logaritmu: log5<\/sub> x = -1","answers":["-5","5","-1\/5","1\/5"],"correct":"1\/5","order":"7"},{"question":"Ur\u010d nezn\u00e1my rvok logaritmu: log16<\/sub> x = 0,5","answers":["4","32","8","2\/3"],"correct":"4","order":"8"},{"question":"Ur\u010d nezn\u00e1my rvok logaritmu: log15<\/sub> 0 = x","answers":["1","-1","nedefinovan\u00e9","-3"],"correct":"nedefinovan\u00e9","order":"9"},{"question":"Ur\u010d nezn\u00e1my rvok logaritmu: loga<\/sub> 0,1 = -2","answers":["0,01","10","100","nedefinovan\u00e9"],"correct":"10","order":"10"}]