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20 questions
20 + 5 - 3 =
20
21
22
23
25 + 45 - 5 =
6
65
650
6500
100 × 2 ÷ 5 =
10
20
30
40
1200 ÷ 2 × 5 =
1000
2000
3000
4000
35 ÷ 7 × 9 =
50
45
40
35
8642 + 975 - 864 =
3578
5378
8753
8835
15
19
20
27
20
2.5
5
10
4
6
24
8
50
6
30
18
8
10
2
3
22
36
12
15
40
36
10
37
1
8
72
0
85 + 209 - 85 =
209
201
109
300
197 + 2 386 - 5 = _______
2 568
2 586
3 856
3 888
8 765 + 10 642 - 6 826 = ________
12 158
12 581
13 581
13 681
115 ÷ 5 - 10 =
15
13
14
20
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