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Exercise 3

Learn to add Digit "4" to numbers between 20 and 30.

If you are proficient in adding the numbers up to 20 with no mistakes then you are ready to do this exercise.

20 + 4 =

22 + 4 =

25 + 4 =

27 + 4 =

29 + 4 =

21 + 4 =

23 + 4 =

26 + 4 =

30 + 4 =

29 + 4 =

25 + 4 =

24 + 4 =

21 + 4 =

20 + 4 =

22 + 4 =

30 + 4 =

29 + 4 =

25 + 4 =

24 + 4 =

21 + 4 =

20 + 4 =

22 + 4 =

30 + 4 =

29 + 4 =

25 + 4 =

28 + 4 =

20 + 4 =

22 + 4 =

24 + 4 =

21 + 4 =





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