6-2=
4
10-8=
2
4-3=
1
9-6=
3
What symbol is this?
Plus
9+3=
12
2+2=
4
7+2=
9
4+7=
11
10-0=
10
2 + 3 =
5
3-1=
2
6-6=
0
6+1=
7
3+8=
11
What symbol is this?
is
8-7=
1
What symbol is this?
Minus
8-3=
5