1
+
4
=
____________________
7
-
1
=
____________________
2
+
5
=
____________________
5
-
5
=
____________________
8x2
=
____________________
1
+
1
=
____________________
11
-
6
=
____________________
1
+
2
=
____________________
5x3
=
____________________
4
+
4
=
____________________
3
+
2
=
____________________
3
-
2
=
____________________
(
3
+
1
)
-
1
=
____________________
(
3x4
)
+
8
=
____________________
5
+
5
-
4
+
8
-
3
=
5
