Oefen de erafsommen tot 50

Erafsommen

1.

20

–

20

=

2.

25

–

5

=

3.

35

–

5

=

4.

15

–

15

=

5.

45

–

40

=

6.

35

–

0

=

7.

50

–

15

=

8.

15

–

0

=

9.

5

–

0

=

10.

40

–

40

=

11.

30

–

5

=

12.

40

–

25

=

13.

50

–

35

=

14.

10

–

5

=

15.

15

–

15

=

16.

45

–

5

=

17.

30

–

0

=

18.

45

–

25

=

19.

20

–

5

=

20.

5

–

5

=

21.

35

–

30

=

22.

30

–

0

=

23.

20

–

15

=

24.

50

–

10

=

25.

5

–

5

=

26.

5

–

5

=

27.

45

–

0

=

28.

40

–

5

=

29.

45

–

25

=

30.

50

–

10

=

31.

45

–

20

=

32.

20

–

0

=

33.

45

–

45

=

34.

30

–

15

=

35.

45

–

40

=

36.

40

–

10

=

Oefen de erafsommen tot 50
| ANTWOORDEN

Erafsommen

1.

20

–

20

=

0

2.

25

–

5

=

20

3.

35

–

5

=

30

4.

15

–

15

=

0

5.

45

–

40

=

5

6.

35

–

0

=

35

7.

50

–

15

=

35

8.

15

–

0

=

15

9.

5

–

0

=

5

10.

40

–

40

=

0

11.

30

–

5

=

25

12.

40

–

25

=

15

13.

50

–

35

=

15

14.

10

–

5

=

5

15.

15

–

15

=

0

16.

45

–

5

=

40

17.

30

–

0

=

30

18.

45

–

25

=

20

19.

20

–

5

=

15

20.

5

–

5

=

0

21.

35

–

30

=

5

22.

30

–

0

=

30

23.

20

–

15

=

5

24.

50

–

10

=

40

25.

5

–

5

=

0

26.

5

–

5

=

0

27.

45

–

0

=

45

28.

40

–

5

=

35

29.

45

–

25

=

20

30.

50

–

10

=

40

31.

45

–

20

=

25

32.

20

–

0

=

20

33.

45

–

45

=

0

34.

30

–

15

=

15

35.

45

–

40

=

5

36.

40

–

10

=

30