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10 questions
27+11=
38
37
48
39+11=
49
50
59
40+11=
51
52
75+11=
85
86
95
26+11=
47
36
35-11=
34
32
24
46-11=
35
45
65
72-11=
61
81
41
80-11=
69
79
89
40-11=
39
29
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