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+
-
x
100
5+6
11
100
9-3
6
100
4x5
20
200
3+4
7
200
7-3
4
200
2x4
8
300
6+8
14
300
15-6
9
300
4x7
28
400
8+4
12
400
38-5
33
400
3x6
18
134234
3+9
12
134234
23-9
14
134234
10x11
110