[{"question":"Rie\u0161: (5, 7\u203a U \u2039-3, 6)","answers":["\u2039-3, 7\u203a","\u2039-3, 7)","(-3, 7\u203a","(-3, 7)"],"correct":"\u2039-3, 7\u203a","order":"1"},{"question":"Rie\u0161: (-3,-2) \u2229 (-\u221e, -2,5)","answers":["(-3","-2,5\u203a","(-3","-2,5)"],"correct":null,"order":"2"},{"question":"Rie\u0161: (7, 30) \u00b4","answers":["(-\u221e, 7\u203a","\u203930,\u221e)","(-\u221e, 7\u203a U \u203930,\u221e)","(-\u221e, 7\u203a U (30,\u221e)"],"correct":"(-\u221e, 7\u203a U \u203930,\u221e)","order":"3"},{"question":"Rie\u0161: (5, \u221e) \u2013 (7, 30)","answers":["(5, 7\u203a U (30,\u221e)","\u203930,\u221e)","(5, 7\u203a","(5, 7\u203a U \u203930,\u221e)"],"correct":"(5, 7\u203a U \u203930,\u221e)","order":"4"},{"question":"Rie\u0161: (-3, 7) U (5, 13)","answers":["(-3, 13\u203a","(-3, 13)","\u2039-3, 13)","\u2039-3, 13\u203a"],"correct":"(-3, 13)","order":"5"},{"question":"Rie\u0161: (-10, 5\u203a U \u2039-1, 4\u203a","answers":["\u2039-10, 5)","\u2039-10, 5\u203a","(-10, 5\u203a","(-10, 5)"],"correct":"(-10, 5)","order":"6"},{"question":"Rie\u0161: (-\u221e, 2\u203a \u2229 (0, \u221e) \u2229 \u2039-4, 2)","answers":["(-4, -2\u203a U \u20390,2)","(-4, -2\u203a U\u20390,2\u203a","(-4, -2\u203a U(0,2)","\u2039-4, -2\u203a U\u20390,2\u203a"],"correct":"(-4, -2\u203a U(0,2)","order":"7"},{"question":"Rie\u0161: (-\u221e, 2\u203a - \u2039-4, 2)","answers":["(-\u221e, 4)","(-\u221e, 4\u203a","\u2039-4, 2)","{}"],"correct":"(-\u221e, 4)","order":"8"},{"question":"Rie\u0161: \u2039-4, 2) - (-\u221e, 2\u203a","answers":["(-\u221e, 4)","(-\u221e, 4\u203a","\u2039-4, 2)","{}"],"correct":"{}","order":"9"},{"question":"Rie\u0161: (-1, \u221e)\u00b4","answers":["(-\u221e, -1\u203a","R","(-\u221e, -1)","{}"],"correct":"(-\u221e, -1\u203a","order":"10"}]