9
-
2
x
4
=
____________________
3
x
4
:
6
=
____________________
80
+
9
:
3
=
____________________
4
x
20
-
30
=
____________________
70
-
30
-
5
=
____________________
40
:
2
+
7
=
____________________
70
-
3
x
20
=
____________________
4
x
7
-
4
=
____________________
10
:
2
+
3
x
2
=
____________________
25
:
5
+
3
x
4
=
____________________