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Simple Substraction
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26 - 15 = ...
11
Oops!
Okay!
15 - 4 = ...
11
Oops!
Okay!
35 - 12 = ...
23
Oops!
Okay!
18 - 6 = ...
12
Oops!
Okay!
28 - 13 = ...
15
Oops!
Okay!
28 - 15 = ...
13
Oops!
Okay!
27 - 22 = ...
5
Oops!
Okay!
37 - 15 = ...
22
Oops!
Okay!
23 - 5 = ...
18
Oops!
Okay!
30 - 20 = ...
10
Oops!
Okay!
24 - 3 = ...
21
Oops!
Okay!
33 - 12 = ...
21
Oops!
Okay!
38 - 12 = ...
26
Oops!
Okay!
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