Question

Simplifique as frações (Fatorial)
a) 6!/4!
b) 8!/7!+6!
c) 6!+5!/5!-4!
d)9!•6!/8!•7!

Answer 1

a) 6/4 ÷ 2= 3/2
b) 8/7 +6/1 ( 6/1× 7= 42/7) = 8/7+42/7= 50/7
c) 5/5=1, 6+1-4= 3
d)9/1. 6/8 = 54/8 . 7/1= 378/8 ÷2= 189/4