(3!)! × (0! – 0!)! + 2!​

= (3!)! × (0! – 0!)! + 2!

= (3 × 2 × 1)! × (1 – 1)! + (2 × 1)

= 6! × 0! + 2

= (6 × 5 × 4 × 3 × 2 × 1) × 1 + 2

= 720 × 1 + 2

= 720 + 2

= 722

(3!)! × (0! – 0!)! + 2!

= (3 × 2 × 1)! × (1 – 1)! + (2 × 1)

= 6! × 0! + 2

= (6 × 3 × 2 × 1) × 1 + 2

= 720 × 1 + 2

= 720 + 2

= 722