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Created on By ddacademy

Substraction Level 1

Welcome to DD Academy

Start to improve your speed of Substraction

30 Questions in 4 minutes [Speed:- 8 seconds per  substraction]

1 / 30

16-4

2 / 30

31-9

3 / 30

18-8

4 / 30

19-7

5 / 30

12-4

6 / 30

16-7

7 / 30

14-5

8 / 30

17-7

9 / 30

15-6

10 / 30

18-7

11 / 30

11-3

12 / 30

15-7

13 / 30

21-9

14 / 30

20-13

15 / 30

13-6

16 / 30

14-9

17 / 30

13-9

18 / 30

18-11

19 / 30

18-9

20 / 30

9-3

21 / 30

13-4

22 / 30

31-18

23 / 30

16-5

24 / 30

21-8

25 / 30

15-4

26 / 30

17-9

27 / 30

17-6

28 / 30

19-6

29 / 30

14-22

30 / 30

11-4

Your score is

The average score is 77%

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