Răspuns:
2 3 9 1 4 5 6 10 7 11 8
50: 5: 2+(81- 3):3×500:100+81:3-3:3=107
50:5:2+78 :3 ×500:100+81:3-3:3=107
10: 2+78 :3×500:100+81:3-3:3=107
5+78 :3×500:100+81:3-3:3=107
5+ 26×500:100+81:3-3:3=107
5+ 13.000 :100+81:3-3:3=107
5+ 130+81:3-3:3=107
5+ 130+ 27-3:3=107
5+ 130+ 27- 1=107
135+ 27- 1=107
108- 1=107