15!! + 10²
= (15 × 13 × 11 × 9 × 7 × 5 × 3 × 1) + (10 × 10)
= (195 × 99 × 35 × 3) + 100
= (19.305 × 105) + 100
= 2.027.025 + 100
25³ × 10!!
= (25 × 25 × 25) × (10 × 8 × 6 × 4 × 2)
= (625 × 25) × (80 × 24 × 2)
= 15.625 × (1.920 × 2)
= 15.625 × 3.840
10! - 5!!
= (10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 ×2 × 1) - (5 × 3 × 1)
= (90 × 56 × 30 × 12 × 2) - 15
= (5.040 × 360 × 2) - 15
= (1.814.400 × 2) - 15
= 3.628.800 - 15
by: Annafa
" Life is not a problem to be solved but a reality to be experienced! "
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Nomor 1:
15!! + 10²
= (15 × 13 × 11 × 9 × 7 × 5 × 3 × 1) + (10 × 10)
= (195 × 99 × 35 × 3) + 100
= (19.305 × 105) + 100
= 2.027.025 + 100
= 2.027.125
Nomor 2:
25³ × 10!!
= (25 × 25 × 25) × (10 × 8 × 6 × 4 × 2)
= (625 × 25) × (80 × 24 × 2)
= 15.625 × (1.920 × 2)
= 15.625 × 3.840
= 60.000.000
Nomor 3:
10! - 5!!
= (10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 ×2 × 1) - (5 × 3 × 1)
= (90 × 56 × 30 × 12 × 2) - 15
= (5.040 × 360 × 2) - 15
= (1.814.400 × 2) - 15
= 3.628.800 - 15
= 3.628.785
by: Annafa