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10 questions
Simplify: 40
220
210
410
102
Simplify 48
42
43
63
36
12 Simplify
62
43
23
32
Simplify 8
4
42
22
24
Simplify 80
40
45
54
220
Simplify 18
23
32
9
92
Simplify 45
35
53
95
315
Simplify 28
47
72
27
14
Simplify 150
515
56
1015
1510
Simplify 200
100
1002
102
450
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