[{"question":"Zjednodu\u0161: 28a2<\/sup> + 14b + 6b2<\/sup> \u2013 39a2<\/sup> + 9b =","answers":["23b+11a2<\/sup>-6b2<\/sup>","23b -11a2<\/sup>+6b2<\/sup>","23b -11a2<\/sup>-6b2<\/sup>","23b +11a2<\/sup>+6b2<\/sup>"],"correct":"23b -11a2<\/sup>-6b2<\/sup>","order":"1"},{"question":"Zjednodu\u0161: x2<\/sup> + y3<\/sup> - 5x2<\/sup> + 3y3<\/sup> +2x2<\/sup> -8 =","answers":["4y3<\/sup> -2x2<\/sup>","4y3<\/sup> - 8","4y3<\/sup> +2x2<\/sup> - 8","4y3<\/sup> -2x2<\/sup> - 8"],"correct":"4y3<\/sup> -2x2<\/sup> - 8","order":"2"},{"question":"Zjednodu\u0161: 8ab3<\/sup> .(- 2a2<\/sup>b2<\/sup>).(-3a3<\/sup>b) =","answers":["(-48a2<\/sup>b6<\/sup>)","48a6<\/sup>b6<\/sup>","48a5<\/sup>b6<\/sup>","48a5<\/sup>b5<\/sup>"],"correct":"48a6<\/sup>b6<\/sup>","order":"3"},{"question":"Zjednodu\u0161: 4(x \u2013 y + z) \u2013 2(x + y \u2013 z) -3(-x \u2013 y \u2013 z) =","answers":["5x - 2y + 9z","5x - 3y + 5z","5x - 3y + 9z","4x - 3y + 9z"],"correct":"5x - 3y + 9z","order":"4"},{"question":"Zjednodu\u0161: 4a(5b \u2013 2a) \u2013 4(7a2 \u2013 3ab) \u2013 2a(3a \u2013 3b) =","answers":["38ab - 42a2<\/sup>","38ab + 42a2<\/sup>","38a2<\/sup>b - 42a2<\/sup>","38a2<\/sup>b + 42a2<\/sup>"],"correct":"38ab - 42a2<\/sup>","order":"5"},{"question":"Zjednodu\u0161: (a2<\/sup>b3<\/sup>)2<\/sup> + (2a2<\/sup>)2<\/sup>y2<\/sup> - (a2<\/sup>y)2<\/sup> \u2013 a4<\/sup>(b6<\/sup> + 1) =","answers":["3a2<\/sup>y4<\/sup> - a4<\/sup>","3a4<\/sup>y2<\/sup> - a2<\/sup>","3a2<\/sup>y2<\/sup> - a2<\/sup>","3a4<\/sup>y2<\/sup> - a4<\/sup>"],"correct":"3a4<\/sup>y2<\/sup> - a4<\/sup>","order":"6"},{"question":"Zjednodu\u0161: (x \u2013 y) \/ xy \u2013 (z \u2013 y) \/ yz + (x + z) \/ xz =","answers":["2\/xz","2\/z","2\/yz","2\/xyz"],"correct":"2\/z","order":"7"},{"question":"Zjednodu\u0161: x \/ (x2<\/sup> \u2013 4) . (x + 2) \/ 3x =","answers":["1\/(3x-6)","x\/(3x-6)","1\/(x-2)","1\/(3x+6)"],"correct":"1\/(3x-6)","order":"8"},{"question":"Zjednodu\u0161: 3 \/ (a + 1) + a \/ (a2<\/sup> \u2013 1) \u2013 2 \/ (a \u2013 1) =","answers":["1\/(a-1)","a\/(a+1)","1\/(a+1)","a\/(a-1)"],"correct":"1\/(a+1)","order":"9"},{"question":"Zjednodu\u0161: 6x3<\/sup>b3<\/sup> \/ 25y4<\/sup> . (-15y \/ b2<\/sup>) =","answers":["18x3<\/sup>b \/ 5y3<\/sup>","(-18x3<\/sup>b) \/ 5y3<\/sup>","(-18x3<\/sup>b2<\/sup>) \/ 5y3<\/sup>","18x3<\/sup>b2<\/sup> \/ 5y3<\/sup>"],"correct":"(-18x3<\/sup>b) \/ 5y3<\/sup>","order":"10"}]