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15 questions
50 + 50 =
100
50
20
30
40 + 40 =
80
60
20
30
30 + 30 =
60
50
40
6
10 + 90 =
100
20
60
80
20 + 30 =
50
5
40
4
20 + 80 =
100
50
90
60
50 + 40 =
90
80
70
100
20 + 10 =
30
3
40
50
10 + 10 =
20
30
50
40
5 + 5 =
10
5
20
15
60 + 10 =
70
60
50
40
70 + 30 =
100
50
40
90
20 + 50 =
70
80
90
60
30 + 40 =
70
60
50
80
60 + 20 =
80
8
90
50
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