medium Set 6 Form Exercise
01
4 - 2 = ___
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2

02
7 - 1 = ___
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6

03
18 - 4 = ___
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14

04
7 - 4 = ___
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3

05
3 - 2 = ___
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1

06
9 - 4 = ___
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5

07
2 - 1 = ___
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1

08
18 - 7 = ___
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11

09
19 - 14 = ___
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5

10
19 - 6 = ___
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13

11
6 - 3 = ___
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3

12
8 - 1 = ___
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7

13
14 - 13 = ___
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1

14
2 - 1 = ___
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1

15
19 - 10 = ___
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9

16
2 - 1 = ___
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1

17
4 - 2 = ___
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2

18
16 - 4 = ___
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12

19
4 - 1 = ___
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3

20
2 - 1 = ___
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1