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Addition and Subtraction
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3+3
6
Oops!
Okay!
2+8
10
Oops!
Okay!
9+1
10
Oops!
Okay!
2+4
6
Oops!
Okay!
4+4
8
Oops!
Okay!
1+6
7
Oops!
Okay!
3+2
5
Oops!
Okay!
3+6
9
Oops!
Okay!
7+4
11
Oops!
Okay!
10+2
12
Oops!
Okay!
2+10
12
Oops!
Okay!
1+1
2
Oops!
Okay!
3+2
5
Oops!
Okay!
2+8
10
Oops!
Okay!
2+7
9
Oops!
Okay!
4+7
11
Oops!
Okay!
1+7
8
Oops!
Okay!
1+4
5
Oops!
Okay!
2+11
13
Oops!
Okay!
3+10
13
Oops!
Okay!
4+3
7
Oops!
Okay!
4+5
9
Oops!
Okay!
3+9
12
Oops!
Okay!
2
6
Oops!
Okay!
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