"Maybe Its Quiz? (6/10)", 8! - 6! + 5! = ..., Note: Anw ._.

Maybe its Quiz? (6/10)

8! - 6! + 5! = ...
Note: anw ._.

 

⧼8!⧽

❍= 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

❍=56 × 6 × 5 × 4 × 3 × 2 × 1

❍=336 × 5 × 4 × 3 × 2 × 1

❍= 1.680 × 4 × 3 × 2 × 1

❍= 6.720 × 3 × 2 × 1

❍=20.160 × 2 × 1

❍= 40.320 × 1

❍=40.320

⧼6!⧽

❍=6 ×5 × 4 × 3 × 2 × 1

❍=30 × 4 × 3 × 2 × 1

❍=120 × 3 × 2 × 1

❍=360 × 2 × 1

❍=720×1

❍=720

⧼5!⧽

❍= 5 × 4 × 3 × 2 × 1

❍=20 × 3 × 2 × 1

❍=60 × 2 × 1

❍= 120 × 1

❍=120✔

Jadi

40.320 - 720 + 120

= 39600 + 120

=39.720