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Study
Addition
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%
0
0
0
Back
Restart
2+3
5
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Okay!
38+15
53
Oops!
Okay!
48+26
74
Oops!
Okay!
18+14
32
Oops!
Okay!
13+8
21
Oops!
Okay!
7+9
16
Oops!
Okay!
27+8
35
Oops!
Okay!
58+39
97
Oops!
Okay!
39+9
48
Oops!
Okay!
43+22
65
Oops!
Okay!
29+60
89
Oops!
Okay!
17+9
26
Oops!
Okay!
4+3
7
Oops!
Okay!
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