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x
-
+
100
9x3=
27
100
65-7
59
100
2+4
6
200
5x4
20
200
55-5
50
200
5+6
11
300
11x9
99
300
9-6
3
300
5+7
11
400
10x9
90
400
6-4
2
400
5+8
12
500
3x4
12
500
11-3
8
500
10+10
20