10
+
2
=
____________________
6
+
6
=
____________________
10
-
5
=
____________________
4
-
3
=
____________________
25
-
10
=
____________________
10
+
30
=
____________________
45
-
____________________
=
40
____________________
-
8
=
2
55
+
____________________
=
70
____________________
+
100
=
200
22
-
____________________
=
1
2
