42× 9 28 = 11× 9 44 = 3 13 × 26 37 = 5 6 × 8 45 = 3 5 × 1 4
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42×

9

28 =

27

2 11×

9

44 =

9

4

3

13 ×

26

37 =

6

37

5

6 ×

8

45 =

4

27

3

5 ×

1

4 =

3

20

7

15 ×30 =14

63

8 ×

4

9 =

7

2

23

24 ×

8

29 =

23

87

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