Oefen de erafsommen tot 50

Erafsommen

1.

45

–

35

=

2.

50

–

30

=

3.

35

–

35

=

4.

20

–

5

=

5.

30

–

25

=

6.

5

–

0

=

7.

5

–

0

=

8.

25

–

15

=

9.

30

–

25

=

10.

20

–

20

=

11.

40

–

5

=

12.

25

–

20

=

13.

20

–

20

=

14.

5

–

0

=

15.

30

–

5

=

16.

10

–

0

=

17.

20

–

20

=

18.

5

–

5

=

19.

50

–

25

=

20.

15

–

0

=

21.

35

–

30

=

22.

50

–

10

=

23.

15

–

15

=

24.

10

–

5

=

25.

50

–

5

=

26.

45

–

20

=

27.

35

–

15

=

28.

35

–

30

=

29.

15

–

15

=

30.

30

–

10

=

31.

45

–

5

=

32.

50

–

0

=

33.

40

–

0

=

34.

20

–

5

=

35.

50

–

35

=

36.

35

–

20

=

Oefen de erafsommen tot 50
| ANTWOORDEN

Erafsommen

1.

45

–

35

=

10

2.

50

–

30

=

20

3.

35

–

35

=

0

4.

20

–

5

=

15

5.

30

–

25

=

5

6.

5

–

0

=

5

7.

5

–

0

=

5

8.

25

–

15

=

10

9.

30

–

25

=

5

10.

20

–

20

=

0

11.

40

–

5

=

35

12.

25

–

20

=

5

13.

20

–

20

=

0

14.

5

–

0

=

5

15.

30

–

5

=

25

16.

10

–

0

=

10

17.

20

–

20

=

0

18.

5

–

5

=

0

19.

50

–

25

=

25

20.

15

–

0

=

15

21.

35

–

30

=

5

22.

50

–

10

=

40

23.

15

–

15

=

0

24.

10

–

5

=

5

25.

50

–

5

=

45

26.

45

–

20

=

25

27.

35

–

15

=

20

28.

35

–

30

=

5

29.

15

–

15

=

0

30.

30

–

10

=

20

31.

45

–

5

=

40

32.

50

–

0

=

50

33.

40

–

0

=

40

34.

20

–

5

=

15

35.

50

–

35

=

15

36.

35

–

20

=

15