easy Set 9 Form Exercise
01
3 - 1 = ___
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2

02
2 - 1 = ___
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1

03
4 - 2 = ___
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2

04
8 - 6 = ___
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2

05
4 - 3 = ___
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1

06
8 - 7 = ___
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1

07
9 - 1 = ___
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8

08
2 - 1 = ___
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1

09
9 - 4 = ___
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5

10
6 - 4 = ___
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2

11
4 - 3 = ___
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1

12
3 - 1 = ___
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2

13
9 - 1 = ___
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8

14
2 - 1 = ___
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1

15
4 - 1 = ___
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3

16
4 - 3 = ___
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1

17
7 - 1 = ___
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6

18
2 - 1 = ___
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1

19
9 - 3 = ___
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6

20
4 - 3 = ___
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1