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

02
2 - 1 = ___
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1

03
3 - 2 = ___
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1

04
5 - 4 = ___
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1

05
3 - 2 = ___
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1

06
3 - 2 = ___
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1

07
5 - 3 = ___
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2

08
2 - 1 = ___
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1

09
5 - 4 = ___
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1

10
5 - 4 = ___
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1

11
3 - 2 = ___
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1

12
3 - 2 = ___
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1

13
2 - 1 = ___
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1

14
4 - 3 = ___
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1

15
3 - 1 = ___
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2

16
2 - 1 = ___
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1

17
4 - 2 = ___
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2

18
4 - 3 = ___
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1

19
4 - 1 = ___
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3

20
4 - 3 = ___
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1