6! + 8! + 9! - 3!!
✎Nobahasaalienn ☑︎
✎NoJawabDikomen ☑︎
✎MemakaiCara ☑︎
✎Nobahasaalienn ☑︎
✎NoJawabDikomen ☑︎
✎MemakaiCara ☑︎
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6! + 8! + 9! - 3!!
6!
= 6 × 5 × 4 × 3 × 2 × 1
= 30 × 4 × 3 × 2 × 1
= 120 × 3 × 2 × 1
= 360 × 2 × 1
= 720 × 1
= 720
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
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
3!!
= 3 × 1
= 1
--------------------------------------------------------------
6! + 8! + 9! - 3!!
= 720 + 40.320 + 362.880 - 1
= 403.919☑