Which is the best way to describe 1-2 ?
-3
-2
-1
0
1
2
3
point A
the distance between A and D
the opposite of 2
the distance between A and C

Which is the best way to describe 12 3 2 1 0 1 2 3 point A the distance between A and D the opposite of 2 the distance between A and C class=