Question

me ajudem , por favor ?! :(

CALCULE:

a) 7!
b) (13-6)!
c)9!x6!/7!x10!
d) 3!+4!x2-4x5!
e) 5!x3x4-(-2+3x2+3)!

Answer 1

a )

$\boxed{7!~\to~7*6*5*4*3*2*1=5040}$

b )

$\boxed{(13-6)!=7!=5040}$

c )

$\boxed{ \frac{9!*6!}{7!*10!}~\to~ \frac{\not9!*\not6!}{7*\not6!*10*\not9!} ~\to~ \frac{1}{70} }$

d )

$3!+4!*2-4*5!\\ 6+24*2-4*120\\54-480\\-426$

e )

$5!*3*4-(-2+3*2+3)!\\5!*12-(-7)!\\5!*12+(7)!\\1440+5040\\6480$