Camelia Muşetescu: 2017 = 1 + ( 2 - 3 ) * 4 * ( 5 - 6 ) * 7 * 8 * 9
Claudiu Drăgan: 2017 = 1 * ( 2 + 3 + 4 ( 5 - 6 + 7 * 8 * 9 ) )
Pit-Rada-Ionel-Vasile: 2017 = 1+(2 - 3+4 – 5 + 6) * 7 * 8 * 9
Aurel Ionescu: 2017 = 1+((2 * 3 - 4) * 5 - 6) * 7 * 8 * 9
xipehudu xifoforu: 2017 =[1 - 2 + ( -3 + 4 + 5) * 6 * 7] * 8 + 9
Emil Claudiu Man: 2017=(1+2)/3 – 4 * (5 - 6) * 7 * 8 * 9
Zoltan Szabo:
2017=1+(2-3+4-5+6)*7*8*9
2017=1-(2-3-4-5+6)*7*8*9
2017=1+(2-3)*4*(5-6)*7*8*9
2017=1+(2*3-4*5+6*7)*8*9
2017=1-(2+3+4-5*6-7)*8*9
2017=1-(2+3-4*5-6-7)*8*9
2017=(1-2+(-3+4+5)*6*7)*8+9
Cristinel Mortici (Facebook): 2017 = 123+4 * 56 + 7 * 8 + 9
(dacă se admit exponenţierea şi numere cu mai multe cifre)