Oefen de erafsommen tot 50

Erafsommen

1.

30

–

30

=

2.

35

–

15

=

3.

45

–

30

=

4.

25

–

10

=

5.

40

–

20

=

6.

35

–

15

=

7.

45

–

10

=

8.

35

–

20

=

9.

25

–

10

=

10.

30

–

20

=

11.

15

–

10

=

12.

15

–

10

=

13.

15

–

15

=

14.

35

–

35

=

15.

10

–

10

=

16.

15

–

10

=

17.

50

–

10

=

18.

30

–

5

=

19.

50

–

40

=

20.

40

–

35

=

21.

35

–

30

=

22.

50

–

50

=

23.

20

–

5

=

24.

25

–

15

=

25.

30

–

15

=

26.

15

–

15

=

27.

40

–

20

=

28.

5

–

5

=

29.

20

–

5

=

30.

40

–

20

=

31.

30

–

30

=

32.

40

–

20

=

33.

35

–

35

=

34.

30

–

5

=

35.

50

–

15

=

36.

45

–

30

=

Oefen de erafsommen tot 50
| ANTWOORDEN

Erafsommen

1.

30

–

30

=

0

2.

35

–

15

=

20

3.

45

–

30

=

15

4.

25

–

10

=

15

5.

40

–

20

=

20

6.

35

–

15

=

20

7.

45

–

10

=

35

8.

35

–

20

=

15

9.

25

–

10

=

15

10.

30

–

20

=

10

11.

15

–

10

=

5

12.

15

–

10

=

5

13.

15

–

15

=

0

14.

35

–

35

=

0

15.

10

–

10

=

0

16.

15

–

10

=

5

17.

50

–

10

=

40

18.

30

–

5

=

25

19.

50

–

40

=

10

20.

40

–

35

=

5

21.

35

–

30

=

5

22.

50

–

50

=

0

23.

20

–

5

=

15

24.

25

–

15

=

10

25.

30

–

15

=

15

26.

15

–

15

=

0

27.

40

–

20

=

20

28.

5

–

5

=

0

29.

20

–

5

=

15

30.

40

–

20

=

20

31.

30

–

30

=

0

32.

40

–

20

=

20

33.

35

–

35

=

0

34.

30

–

5

=

25

35.

50

–

15

=

35

36.

45

–

30

=

15