[{"question":"Ur\u010dte absol\u00fatnu hodnotu komplexn\u00e9ho \u010d\u00edsla: a = 3 - 4i","answers":["-1","7","i*\u221a7","5"],"correct":"5","order":"1"},{"question":"Vypo\u010d\u00edtajte: a = (3 + 5i)*(3 - 5i)","answers":["8","34","-16","2"],"correct":"34","order":"2"},{"question":"Rozlo\u017ete na s\u00fa\u010din: c = [a2<\/SUP> + 9*(b2<\/SUP>)]","answers":["(a + 3i)*(a - 3i)","(a + 3b)*(a - 3b)","(a + 3b)*(a + 3b)","(a + 3bi)*(a - 3bi)"],"correct":"(a + 3bi)*(a - 3bi)","order":"3"},{"question":"Vypo\u010d\u00edtajte: c =(\u221aa + i*\u221ab)\/(\u221aa - i*\u221ab)","answers":["[a - b + 2i\u221a(ab)]\/(a + b)","[a - b + 2\u221a(ab)]\/(a + b)","[a - b - 2i\u221a(ab)]\/(a + b)","[a + b + 2i\u221a(ab)]\/(a + b)"],"correct":"[a - b + 2i\u221a(ab)]\/(a + b)","order":"4"},{"question":"Vyjadrite v algebraickom tvare: a = [(i + 1)\/i] \u00f7 [(i - 1)\/(2i + 3)]","answers":["2 - 2i","3 - 2i","(-3 - 2i)","3 + 2i"],"correct":"(-3 - 2i)","order":"5"},{"question":"Vyjadrite v algebraickom tvare: a = 1 - i\/(i +1) + (i - 1)*i","answers":["0.5 - 0.5i","0.5 + 0.5i","(-0.5 - 0.5i)","(-0.5 + 0.5i)"],"correct":"0.5 - 0.5i","order":"6"},{"question":"Umocnite: a = (1 + i)10<\/SUP>","answers":["(-32i)","32i","16i","(-16i)"],"correct":"32i","order":"7"},{"question":"Odmocnite: a = (8i)(1\/3)<\/SUP>","answers":["2i","2*\u221a(2i)","-2i","(-2\u221a(2i))"],"correct":"-2i","order":"8"},{"question":"Vypo\u010d\u00edtajte: a = (3 - i)*(2 + 3i) + (1 - 4i)*(2 - i)","answers":["15 - 2i","7 - 2i","1 - 2i","9 - 2i"],"correct":"7 - 2i","order":"9"},{"question":"Vypo\u010d\u00edtajte: a = [(1 - i)\/(1 + i)]2<\/SUP> - [(1 + i)\/(1 - i)]2<\/SUP>","answers":["0","1","2","3"],"correct":"0","order":"10"}]