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Adding and Subtracting
0
%
0
0
0
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Restart
2+0=
2
Oops!
Okay!
9+1=
10
Oops!
Okay!
14+2=
16
Oops!
Okay!
18-9=
9
Oops!
Okay!
7+8=
15
Oops!
Okay!
5+5=
10
Oops!
Okay!
10+3=
13
Oops!
Okay!
3+9=
12
Oops!
Okay!
17-9=
8
Oops!
Okay!
16-8=
8
Oops!
Okay!
9+6=
15
Oops!
Okay!
15-8=
7
Oops!
Okay!
14+3=
17
Oops!
Okay!
6+5=
11
Oops!
Okay!
12+1=
13
Oops!
Okay!
13-5=
8
Oops!
Okay!
9+9=
18
Oops!
Okay!
20+5=
25
Oops!
Okay!
15+7=
22
Oops!
Okay!
12+4=
16
Oops!
Okay!
3+2=
5
Oops!
Okay!
14-5=
9
Oops!
Okay!
15-5=
10
Oops!
Okay!
20-5=
15
Oops!
Okay!
8+7=
15
Oops!
Okay!
5+7=
12
Oops!
Okay!
12+3=
15
Oops!
Okay!
13+5=
18
Oops!
Okay!
11-3=
8
Oops!
Okay!
4+8=
12
Oops!
Okay!
7-5=
2
Oops!
Okay!
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