Question

Don’t understand. Pls explain :)

Answer 1

Explanation:

1. put your finger on zero and move it to -1 then go up to positive 1 and put ur dot there.
2. put ur finger on 0 again then go to -1 but now u move down to -2 and put ur dot there.
3. now put ur finger on the zero and go to the opposite side to positive 2 then go down to -2 and put ur dot there. Hope that helps :)