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12 questions
100
- 58
158
42
58
52
4×6 =
20
16
10
24
327
17
2
9
15
92
+48
140
99
130
12
220
10
8
9
12
3×6=
14
9
18
20
76
- 49
115
27
17
125
654
2
8
12
9
64
+36
10
100
1,000
10,000
60
-33
27
93
37
23
12108
110
96
4
9
8×4=
32
36
28
16
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