medium Set 10 Form Exercise
01
5 - 4 = ___
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1

02
8 - 3 = ___
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5

03
9 - 4 = ___
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5

04
6 - 5 = ___
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1

05
5 - 4 = ___
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1

06
5 - 3 = ___
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2

07
14 - 2 = ___
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12

08
3 - 1 = ___
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2

09
2 - 1 = ___
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1

10
19 - 9 = ___
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10

11
9 - 4 = ___
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5

12
3 - 2 = ___
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1

13
16 - 4 = ___
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12

14
15 - 1 = ___
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14

15
9 - 1 = ___
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8

16
8 - 1 = ___
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7

17
3 - 2 = ___
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1

18
6 - 2 = ___
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4

19
3 - 2 = ___
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1

20
16 - 5 = ___
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11