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10 questions
24+20=
44
54
34
36+30=
46
56
66
45+40=
75
95
85
73+20=
93
83
63
52+50=
102
112
92
29+60=
79
99
89
47+50=
77
87
97
34-20=
4
24
14
38-20=
28
8
18
66-50=
36
26
16
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