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10 questions
19 +21 =
40
49
39
26+21=
57
46
47
27+21=
38
48
33+21=
44
53
54
39+21
70
59
60
40+21=
61
71
52+21=
73
63
72
60+21=
81
80
71+21=
90
91
92
75+21=
96
95
86
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