Each question in this quiz is timed.
7x9
63
54
45
81:9
9
8
7
56:7
64:8
35:5
6
5
4x8
32
16
24
3x9
27
18
15:3
4
49:7
42:7
3x8
36
26
72:8
5x5
25
35
24:6
8x8
64
72
54:9
8x7
56
68
3x4
12
32:8
3
6x8
48
44