7
+
4
×
8
=
____________________
3
×
11
?
7
×
4
=
____________________
37
?
6
×
5
=
____________________
9
?
4
÷
4
=
____________________
4
?
2
+
7
×
3
=
____________________
9
×
4
÷
2
?
5
×
2
=
____________________
6
×
(
3
+
7
)
=
____________________
(
3
+
5
)
×
(
9
?
7
)
=
____________________
(
13
?
7
)
÷
2
=
____________________
5
?
[
4
?
(
2
+
1
)
]
=
____________________
(
5
+
5
×
7
)
÷
2
+
1
=
____________________
12
+
(
2
+
1
)
x
3
=
____________________
