Show:
Questions
Responses
Print
1
2
3
5
5
100
3-2=?
1
100
2-1=?
1
100
35+30=?
65
100
39-30=?
9
100
35+40=?
70
200
75-30=?
35
300
66+66=?
132
300
20+25=?
45
400
25+40=?
65
500
77-9=?
68