[{"question":"Okol\u00edm bodu a vol\u00e1me otvoren\u00fd interval (d je \u013eubovo\u013en\u00e9 re\u00e1lne kladn\u00e9 \u010d\u00edslo)","answers":["(a - d, a + d)","",""],"correct":"(a - d, a + d)","order":"1"},{"question":"\u010c\u00edslo delta d vol\u00e1me","answers":["stred okolia","polomer okolia","priemer okolia","hromadn\u00fd bod mno\u017einy M"],"correct":"polomer okolia","order":"2"},{"question":"Z\u00e1pis O2(1) znamen\u00e1","answers":["okolie bodu 2 s priemerom 1","okolie bodu 1 s priemerom2","okolie bodu 2 s polomerom 1","okolie bodu 1 s polomerom 2"],"correct":"okolie bodu 1 s polomerom 2","order":"3"},{"question":"Zap\u00ed\u0161 intervalom okolie bodu O-0,5(5):","answers":["(1,5, 2,5)","(-4, -2)","(2, 0)","nem\u00e1 rie\u0161enie"],"correct":"nem\u00e1 rie\u0161enie","order":"4"},{"question":"Zap\u00ed\u0161 intervalom okolie bodu O1 (-3):","answers":["(1,5, 2,5)","(-4, -2)","(2, 0)","nem\u00e1 rie\u0161enie"],"correct":"(-4, -2)","order":"5"},{"question":"Zap\u00ed\u0161 intervalom okolie bodu O0,5 (2):","answers":["(1,5, 2,5)","(-4, -2)","(2, 0)","nem\u00e1 rie\u0161enie"],"correct":"(1,5, 2,5)","order":"6"},{"question":"\u013dav\u00fdm okol\u00edm bodu a naz\u00fdvame polouzavret\u00fd interval (d je \u013eubovo\u013en\u00e9 kladn\u00e9 re\u00e1lne \u010d\u00edslo)","answers":["(a - d, a)","(a - d, a>","(a, a + d)","","order":"7"},{"question":"Prav\u00fdm okol\u00edm bodu a naz\u00fdvame polouzavret\u00fd interval (d je \u013eubovo\u013en\u00e9 kladn\u00e9 re\u00e1lne \u010d\u00edslo)","answers":["(a - d, a)","(a - d, a>","(a, a + d)","","(a, a + d)","","(a, a + d)","
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