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plus
minus
Lucky choice
100
1+1=
2
100
1-1
0
100
-100
-100
200
5+5
10
200
2-3
1
200
+500 pints
+500 pints
300
2+2
4
300
4-4
0
300
100+
100+
400
3+3
6
400
5-1
4
400
-400
-400
500
9+9
18
500
3-2
1
500
+500
500