Question

a) 5!/3!+2!

b)6!+3!-2!/5!

c)4!-2!-0!/1!

d)12!/9!

e)104!/105!

f)3!+4!/4!

g)3!+6!/5!-4!

Answer 1

a)

-[4-(11-10)]+[-3+2]

-[4-1]+(-1)

-3-1

-4

B)

{[-6-(+2)]+[-3-(+5)]+20

{[-6-2]+[-3-5]+20

[8+(-8)+20

[-8-8+20]

-16+20

+4

c)

45-{2-[5+4(6-2)-(7+3-9)+6]-7}+8

45-{2-[9+(4)-(1)+6]-7}+8

45-{2-[13-1+6]-7}+8

45-{2-18-7}+8

45-{2-25}+8

45-23+8

53-23