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

02
4 - 3 = ___
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1

03
9 - 5 = ___
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4

04
4 - 2 = ___
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2

05
8 - 7 = ___
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1

06
5 - 3 = ___
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2

07
6 - 1 = ___
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5

08
8 - 1 = ___
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7

09
5 - 4 = ___
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1

10
3 - 2 = ___
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1

11
5 - 3 = ___
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2

12
2 - 1 = ___
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1

13
5 - 1 = ___
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4

14
8 - 4 = ___
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4

15
9 - 4 = ___
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5

16
9 - 1 = ___
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8

17
5 - 3 = ___
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2

18
9 - 6 = ___
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3

19
5 - 1 = ___
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4

20
7 - 4 = ___
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3