[{"question":"Zjednodu\u0161te: 2a + 4b + 3a - 5 + 2b -6b","answers":["5ab - 5","5a - 5","5a","-5"],"correct":"5a - 5","order":"1"},{"question":"Zjednodu\u0161te: 4x - (2 + 5y) + 3x +2y","answers":["7x - 3y - 2","x - 2 + 7y","7x - 2 + 7y","7x - 2 - 7y"],"correct":"7x - 3y - 2","order":"2"},{"question":"Zjednodu\u0161te: 2,5 e + [3f + 2(3f - 4e)]","answers":["1,5e +6f","10,5e + 9f","9f - 1,5e","9f - 5,5e"],"correct":"9f - 5,5e","order":"3"},{"question":"Zjednodu\u0161te: 4a - [-5b + 4a -2(2b - 5a)+ 3]","answers":["9b - 2a -3","9b - 10a - 3","3 - 9b - 10a","10a - 9b +3"],"correct":"9b - 10a - 3","order":"4"},{"question":"Zjednodu\u0161te: (5r - 4s) - (2r + 4s) + (3s - 2r)","answers":["r -5s","5r +3s","r + 3s","4r"],"correct":"r -5s","order":"5"},{"question":"Zap\u00ed\u0161te ako v\u00fdraz: s\u00fa\u010det \u010d\u00edsel x a 8y zmen\u0161en\u00fd o rozdiel \u010d\u00edsel 2p a 3r","answers":["x + 8y +2p - 3r","x + 8y -2p + 3r","x + 8y - 2p -3r","x + 8y + 2p + 3r"],"correct":"x + 8y -2p + 3r","order":"6"},{"question":"Zap\u00ed\u0161te ako v\u00fdraz: rozdiel \u010d\u00edsel 2p a 4r zv\u00e4\u010d\u0161en\u00fd o roziel \u010d\u00edsel 3s a m\u00ednus t","answers":["2p - 4r + 3s - t","2p - 4r - 3s - t","2p - 4r + 3s + t","2p + 4r + 3s + t"],"correct":"2p - 4r + 3s + t","order":"7"},{"question":"Ur\u010dte hodnotu v\u00fdrazu 7x - (9x - 2) + 5, ak x = 2","answers":["-1","3","-3","35"],"correct":"3","order":"8"},{"question":"Ur\u010dte hodnotu v\u00fdrazu 7x - (9x - 2) + 5, ak x = -2","answers":["35","7","39","11"],"correct":"11","order":"9"},{"question":"Ur\u010dte hodnotu v\u00fdrazu 2x - (3x + 5y) - y, ak x = 2 a y = -1","answers":["-3","4","-6","-4"],"correct":"4","order":"10"}]