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1). 10! + 7! =
10! + 7! = 3.633.840
cara Penyelesaian :
10! = 3.628.800
= 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
= 90 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
= 720 × 7 × 6 × 5 × 4 × 3 × 2 × 1
= 5.040 × 6 × 5 × 4 × 3 × 2 × 1
= 30.240 × 5 × 4 × 3 × 2 × 1
= 151.200 × 4 × 3 × 2 × 1
= 604.800 × 3 × 2 × 1
= 1.814.400 × 2 × 1
= 3.628.800 × 1
= 3.628.800
7! = 5.040
= 7 × 6 × 5 × 4 × 3 × 2 × 1
= 42 × 5 × 4 × 3 × 2 × 1
= 210 × 4 × 3 × 2 × 1
= 840 × 3 × 2 × 1
= 2.520 × 2 × 1
= 5.040 × 1
= 5.040
jadi hasil dari 3.628.800 + 5.040 = 3.633.840
Diket:
10! + 7! =
Ditanya:
- Berapa hasilnya..?
Dijawab:
10!
10×9 = 90
90×8 = 720
720×7 = 5.040
5.040×6 = 30.240
30.240×5 = 151.200
151.200×4 = 604.800
604.800×3 = 1814.400
1814.400×2 = 3628.800
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7!
7×6= 42
42×5 = 210
210×4 = 840
840×3 = 2.520
2.520×2 = 5.040
5.040×1 = 5.040
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3628.800 + 5.040
= 3.633.840
