medium Set 10 Form Exercise
01
12 - 2 = ___
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10

02
2 - 1 = ___
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1

03
8 - 7 = ___
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1

04
17 - 2 = ___
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15

05
8 - 4 = ___
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4

06
4 - 2 = ___
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2

07
19 - 10 = ___
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9

08
4 - 3 = ___
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1

09
15 - 2 = ___
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13

10
3 - 2 = ___
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1

11
8 - 5 = ___
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3

12
7 - 6 = ___
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1

13
3 - 1 = ___
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2

14
3 - 2 = ___
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1

15
7 - 2 = ___
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5

16
19 - 11 = ___
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8

17
8 - 6 = ___
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2

18
2 - 1 = ___
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1

19
6 - 2 = ___
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4

20
16 - 14 = ___
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2