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10 questions
2 x (2x5)
20
15
18
21
3 x (2x4)
20
18
24
30
(7x5) x 1
20
25
35
40
(5x5) x 2
60
25
50
35
2 x (6 x 4)
50
48
45
18
Solve the problem.
8 x 7 x 1
56
49
50
58
(2x3) x 5
24
20
35
30
4 x (2x5)
30
15
14
40
5 x (2x6)
65
42
60
50
12 x (2x2)
50
45
48
24
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