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Subtraction
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0
0
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Restart
16 - 5 =
11
Oops!
Okay!
? - ? =
4
Oops!
Okay!
11 - 11 =
0
Oops!
Okay!
? - ? =
3
Oops!
Okay!
17 - 5 =
12
Oops!
Okay!
18 - 8 =
10
Oops!
Okay!
13 - 5 =
8
Oops!
Okay!
? - ? =
5
Oops!
Okay!
15 - 1 =
14
Oops!
Okay!
13 - 9 =
4
Oops!
Okay!
? - ? =
7
Oops!
Okay!
14 - 5 =
9
Oops!
Okay!
? - ? =
8
Oops!
Okay!
10 - 4 =
14
Oops!
Okay!
19 - 5 =
14
Oops!
Okay!
? - ? =
14
Oops!
Okay!
? - ? =
9
Oops!
Okay!
? - ? =
8
Oops!
Okay!
10 - 6 =
4
Oops!
Okay!
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