easy Set 4 Form Exercise
01
7 - 5 = ___
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2

02
4 - 2 = ___
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2

03
17 - 13 = ___
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4

04
13 - 10 = ___
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3

05
18 - 7 = ___
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11

06
5 - 3 = ___
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2

07
17 - 15 = ___
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2

08
7 - 5 = ___
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2

09
17 - 13 = ___
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4

10
8 - 7 = ___
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1

11
9 - 2 = ___
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7

12
19 - 1 = ___
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18

13
12 - 11 = ___
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1

14
6 - 5 = ___
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1

15
5 - 1 = ___
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4

16
17 - 11 = ___
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6

17
15 - 14 = ___
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1

18
14 - 13 = ___
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1

19
9 - 7 = ___
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2

20
18 - 17 = ___
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1