Oefen de erafsommen tot 50

Erafsommen

1.

25

–

20

=

2.

15

–

0

=

3.

10

–

5

=

4.

35

–

5

=

5.

5

–

5

=

6.

35

–

5

=

7.

20

–

20

=

8.

35

–

0

=

9.

25

–

0

=

10.

25

–

5

=

11.

20

–

5

=

12.

25

–

5

=

13.

20

–

5

=

14.

15

–

15

=

15.

30

–

10

=

16.

10

–

5

=

17.

25

–

20

=

18.

20

–

10

=

19.

40

–

40

=

20.

25

–

25

=

21.

15

–

15

=

22.

25

–

20

=

23.

40

–

10

=

24.

50

–

10

=

25.

40

–

35

=

26.

40

–

25

=

27.

45

–

20

=

28.

5

–

0

=

29.

35

–

10

=

30.

10

–

0

=

31.

40

–

20

=

32.

30

–

0

=

33.

40

–

30

=

34.

30

–

15

=

35.

30

–

30

=

36.

15

–

0

=

Oefen de erafsommen tot 50
| ANTWOORDEN

Erafsommen

1.

25

–

20

=

5

2.

15

–

0

=

15

3.

10

–

5

=

5

4.

35

–

5

=

30

5.

5

–

5

=

0

6.

35

–

5

=

30

7.

20

–

20

=

0

8.

35

–

0

=

35

9.

25

–

0

=

25

10.

25

–

5

=

20

11.

20

–

5

=

15

12.

25

–

5

=

20

13.

20

–

5

=

15

14.

15

–

15

=

0

15.

30

–

10

=

20

16.

10

–

5

=

5

17.

25

–

20

=

5

18.

20

–

10

=

10

19.

40

–

40

=

0

20.

25

–

25

=

0

21.

15

–

15

=

0

22.

25

–

20

=

5

23.

40

–

10

=

30

24.

50

–

10

=

40

25.

40

–

35

=

5

26.

40

–

25

=

15

27.

45

–

20

=

25

28.

5

–

0

=

5

29.

35

–

10

=

25

30.

10

–

0

=

10

31.

40

–

20

=

20

32.

30

–

0

=

30

33.

40

–

30

=

10

34.

30

–

15

=

15

35.

30

–

30

=

0

36.

15

–

0

=

15