QUIZ ✍ - Universityku

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8! =
4! =
5! =
9! =

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#no cheating!
#can't answer carelessly!
#only points are not allowed!

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QUIZ ✍

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

____________

4! = (4 × 3) × 2 × 1

= (12 × 2) × 1

= 24 × 1

= 24

____________

5! = (5 × 4) × 3 × 2 × 1

= (20 × 3) × 2 × 1

= (60 × 2) × 1

= 120 × 1

= 120

____________

9! = (9 × 8) × 7 × 6 × 5 × 4 × 3 × 2 × 1

= (72 × 7) × 6 × 5 × 4 × 3 × 2 × 1

= (504 × 6) × 5 × 4 × 3 × 2 × 1

= (3.024 × 5) × 4 × 3 × 2 × 1

= (15.120 × 4) × 3 × 2 × 1

= (60.480 × 3) × 2 × 1

= (181.440 × 2) × 1

= 362.880 × 1

= 362.880

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1. 8!

= 8.7.6.5.4.3.2.1

= 40.320

$:$

2. 4!

= 4.3.2.1

= 24

$:$

3. 5!

= 5.4.3.2.1

= 120

$:$

4. 9!

= 9.8.7.6.5.4.3.2.1

= 362.880

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