easy Set 2 Form Exercise
01
5 + 7 = ___
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12

02
13 - 12 = ___
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1

03
14 + 3 = ___
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17

04
3 - 2 = ___
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1

05
20 - 1 = ___
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19

06
17 + 3 = ___
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20

07
11 - 2 = ___
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9

08
8 + 7 = ___
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15

09
2 - 1 = ___
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1