1
.
-
6
+
____________________
=
14
2
.
-
____________________
+
11
=
20
3
.
-
22
+
40
=
____________________
4
.
-
74
+
____________________
=
117
5
.
-
4
-
3
=
____________________
6
.
-
____________________
-
28
=
28
7
.
-
46
-
38
=
____________________
8
.
-
66
-
____________________
=
43
9
.
-
____________________
x
5
=
20
10
.
-
5
x
6
=
____________________
11
.
-
15
x
____________________
=
135
12
.
-
____________________
x
20
=
400
13
.
-
15
/
5
=
____________________
14
.
-
____________________
/
6
=
20
15
.
-
30
/
6
=
____________________
16
.
-
60
/
____________________
=
3
