6! – 2! × 6!
note : setiap main rank pasti dpt lawan yg pro, lah gw dpt tim pada noob T_T
Q.
- 6! – 2! × 6!
- (6.5.4.3.2.1) – (2.1) × (6.5.4.3.2.1)
- 720 – 2 × 720
- 720 – 1440
- –720
6! – 2! × 6!
= 6 × 5 × 4 × 3 × 2 – 2 × 1 × 6 × 5 × 4 × 3 × 2
= 120 × 3 × 2 – 2 × 1 × 6 × 5 × 4 × 3 × 2
= 720 – 2 × 120 × 3 × 2
= 720 – 2 × 720
= 720 – 1.440
= -720