Răspuns:
Pt. x = 1
13 - 4 + 8 + 6 × 5 + 6 - 52 = 1
Pt. x = 2
25 - 16 + 8 + 6 × 4 + 12 - 52 = 1
Pt. x = 3
45 - 36 + 8 + 6 × 3 + 18 - 52 = 1
Pt. x = 4
73 - 64 + 8 + 6 × 2 + 24 - 52 = 1
Pt. x = 5
109 - 100 + 8 + 6 + 30 - 52 = 1