easy Set 4 Form Exercise
01
20 - 18 = ___
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2

02
13 - 5 = ___
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8

03
12 - 5 = ___
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7

04
11 - 5 = ___
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6

05
11 - 5 = ___
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6

06
16 - 7 = ___
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9

07
14 - 6 = ___
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8

08
11 - 4 = ___
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7

09
11 - 7 = ___
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4

10
18 - 9 = ___
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9

11
17 - 8 = ___
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9

12
11 - 3 = ___
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8

13
14 - 5 = ___
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9

14
20 - 11 = ___
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9

15
10 - 2 = ___
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8

16
11 - 6 = ___
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5

17
12 - 8 = ___
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4

18
20 - 2 = ___
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18

19
13 - 4 = ___
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9

20
10 - 7 = ___
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3