Q. [ 2/3 ]
4! + 5! - 7! = ........?
10! = .........?
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Nt : Hm.![]()
4! + 5! - 7! = ........?
10! = .........?
Peraturan :
Jangan Ngasal !
Sertakan Cara Penyelesaian !
Melanggar peraturan akan di report !!
__________________________
Nt : Hm.
4! + 5! - 7!
= ( 4×3×2×1 + 5×4×3×2×1 - 7×6×5×4×3×2×1 )
= ( 24 + 120 - 5.040 )
= - 4.896
10!
= ( 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
Jawaban:
1.) 4! + 5! - 7! = ....
=======================
= ( 4.3.2.1 ) + ( 5.4.3.2.1 ) - ( 7.6.5.4.3.2.1 )
= 24 + 120 - 5,040
= 144 - 5,040
= -4,896
2.) 10! = ...
=======================
10! = ( 10.9.8.7.6.5.4.3.2.1 )
= ( 90 × 56 × 30 × 24 )
= 5,040 × 720
= 3,628,800
[answer.2.content]
