Show:
integer addition
integer subtraction
integer multiplication
integer division
100

-2-3

-5

100

3-4

-1

100

2x(-3)

-6

100

-4/2

-2

200

-4-6

-10

200

-4+5

1

200

-4x(-3)

12

200

-10/(-2)

5

500

5+8

13

500

-4+0

-4

500

-4x1

-4

500

100/(-5)

-20