Oefen de erafsommen tot 50

Erafsommen

1.

20

–

0

=

2.

50

–

5

=

3.

40

–

15

=

4.

50

–

5

=

5.

25

–

15

=

6.

30

–

5

=

7.

25

–

0

=

8.

20

–

5

=

9.

15

–

0

=

10.

30

–

30

=

11.

15

–

0

=

12.

30

–

5

=

13.

30

–

20

=

14.

5

–

0

=

15.

20

–

15

=

16.

5

–

5

=

17.

40

–

15

=

18.

25

–

5

=

19.

45

–

45

=

20.

30

–

0

=

21.

40

–

15

=

22.

50

–

0

=

23.

30

–

30

=

24.

35

–

10

=

25.

45

–

15

=

26.

20

–

5

=

27.

5

–

5

=

28.

15

–

0

=

29.

35

–

15

=

30.

40

–

10

=

31.

15

–

0

=

32.

50

–

25

=

33.

15

–

10

=

34.

10

–

0

=

35.

30

–

30

=

36.

40

–

40

=

Oefen de erafsommen tot 50
| ANTWOORDEN

Erafsommen

1.

20

–

0

=

20

2.

50

–

5

=

45

3.

40

–

15

=

25

4.

50

–

5

=

45

5.

25

–

15

=

10

6.

30

–

5

=

25

7.

25

–

0

=

25

8.

20

–

5

=

15

9.

15

–

0

=

15

10.

30

–

30

=

0

11.

15

–

0

=

15

12.

30

–

5

=

25

13.

30

–

20

=

10

14.

5

–

0

=

5

15.

20

–

15

=

5

16.

5

–

5

=

0

17.

40

–

15

=

25

18.

25

–

5

=

20

19.

45

–

45

=

0

20.

30

–

0

=

30

21.

40

–

15

=

25

22.

50

–

0

=

50

23.

30

–

30

=

0

24.

35

–

10

=

25

25.

45

–

15

=

30

26.

20

–

5

=

15

27.

5

–

5

=

0

28.

15

–

0

=

15

29.

35

–

15

=

20

30.

40

–

10

=

30

31.

15

–

0

=

15

32.

50

–

25

=

25

33.

15

–

10

=

5

34.

10

–

0

=

10

35.

30

–

30

=

0

36.

40

–

40

=

0