On which number line do the points represent -7 1/2and +1?
冷
R.T
| loff
-10 9 8 7 6 5 4 3 2 -1 0 1 2 3 4 5 6 7
R
-10 -9 -8 -7 -6 -5 4 3 -2 -1
什
R
01234
R
7
-10 9 8 7 6 5 4 3 2 1 0 1
8 9 10
-10-9-8-7 -6 -5 4 3 2 -1 0 1 2 3 4 5 6 7 8 9 10
8 9 10
>
+
23 4 5 6 7 8 9 10