You add 10 to -7 to get 3.
4
You need to add 7 (or +7)
you need to add +9 +9-7 = +2
nine add 7 to get from -7 to 0 then add 2 to get to 2 7 + 2 = 9
you need to add 3/10 to 7/10 to get 10/10 or 1.
You add 10 to -7 to get 3.
17
17
4
243+7 = 250/10 = 25
You need to add 7 (or +7)
you need to add +9 +9-7 = +2
-10
You need to add 18 to negative 8 to get 10.
3
you need to add 10