Q.
7! =
5! + 6! =
Note : Bantu like :)
Jawab:
7! = 5.040
5! + 6! = 840
Penjelasan dengan langkah-langkah:
7! = 7 × 6 × 5 × 4 × 3 × 2 = 42 × 20 × 6 = 840 × 6 = 5.040
5! + 6! = 5! + 6×5! = 5!(1+6) = (5×4)×(3×2)×(1+6) = (20)×(6)×(7) = 20×42 = 840
Salam kebaikan ___ KLF ____
Penjelasan dengan langkah-langkah:
7!
_
7 × 6 × 5 × 4 × 3 × 2
42 × 5 × 4 × 3 × 2
210 × 4 × 3 × 2
840 × 3 × 2
2.520 × 2
5.040
_____
5! + 6!
( 5 × 4 × 3 × 2) + ( 6 × 5 × 4 × 3 × 2)
120 + 720
840
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