2
+
2
=
____________________
3
+
3
=
____________________
21
:
7
+
1
-
2
x
0
=
____________________
17x2
+
1
-
2
=
____________________
1000
:
100
=
____________________
300000
+
12345
=
____________________
1
+
2
+
3
+
4
+
5
+
6
+
7
+
8
+
9
+
10
+
11
+
12
+
13
+
14
+
15
+
16
+
17
+
18
+
19
+
20
:
0
=
____________________
100238
:
100238
=
____________________
7x2x3
+
2
+
31x1
:
____________________
+
____________________
+
11
+
____________________
=
____________________
