como resolvo isso: 10!/5!5! ?
10! /5!x5! =
10.9.8.7.6.5! /5!5!
Simplificando o 5! temos!
10.9.8.7.6/5!
Resolvendo, 5! =5.4.3.2.1 = 120
Então:
10.9.8.7.6/120
simplificando (10 e 120 =1/12):
1.9.8.7.6/12
simplificando (6 e 12 =1/2):
1.9.8.7.1/2
9.8.7/2
9.4.7 = 252
Ola Mariana
10!/5!5! = 10*9*8*7*6*5!/5!5! =
10*9*8*7*6/1*2*3*4*5 = 9*8*7*6/12 = 9*7*4 = 252
pronto
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Verified answer
10! /5!x5! =
10.9.8.7.6.5! /5!5!
Simplificando o 5! temos!
10.9.8.7.6/5!
Resolvendo, 5! =5.4.3.2.1 = 120
Então:
10.9.8.7.6/120
simplificando (10 e 120 =1/12):
1.9.8.7.6/12
simplificando (6 e 12 =1/2):
1.9.8.7.1/2
9.8.7/2
9.4.7 = 252
Ola Mariana
10!/5!5! = 10*9*8*7*6*5!/5!5! =
10*9*8*7*6/1*2*3*4*5 = 9*8*7*6/12 = 9*7*4 = 252
pronto