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20 questions
9x9=....
81
72
90
63
72:9=....
8
9
7
6
5x5 =....
25
30
35
20
6x6=...
36
12
18
24
4x3=...
12
8
4
16
10x9=....
90
80
100
70
81:9=....
9
10
8
7
24:8=....
3
4
6
2
30:6=
5
4
6
2
45 : 5 =
8
9
7
6
24:4=
5
3
4
6
42:6=
5
3
7
6
16:2 =
7
8
9
6
20 : 4 =
4
5
8
10
3 x 7 =
21
17
18
37
6 x 4 =
20
24
18
36
4 x 9 =
27
36
32
54
3 x 5 =
15
12
18
21
9 x 6 =
45
54
42
48
7 x 8 =
56
54
63
58