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sub and add 20

English 11 Public

prinberk school

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4 + 5 + 6 =

15

10

14 + 5 =

19

5

12 + 3 + 4 =

19

15

12 + 6 =

18

10

4 + 4 + 2 =

10

10

20 - 7 =

13

10

19 - 8 =

11

10

8 - 3 - 2 =

3

10

10 - 5 - 0 =

5

10

15 - 10 =

5

5

18 - 8 =

10

10