Reken de erafsom tot 50 uit

Erafsommen

1.

50

–

15

=

2.

20

–

10

=

3.

45

–

35

=

4.

15

–

10

=

5.

10

–

0

=

6.

40

–

40

=

7.

30

–

15

=

8.

20

–

5

=

9.

25

–

25

=

10.

5

–

0

=

11.

50

–

25

=

12.

40

–

30

=

13.

40

–

15

=

14.

20

–

0

=

15.

20

–

20

=

16.

30

–

20

=

17.

25

–

5

=

18.

45

–

5

=

19.

5

–

0

=

20.

40

–

20

=

21.

10

–

0

=

22.

35

–

20

=

23.

50

–

50

=

24.

15

–

0

=

25.

45

–

5

=

26.

20

–

20

=

27.

20

–

15

=

28.

35

–

5

=

29.

25

–

20

=

30.

5

–

5

=

31.

45

–

20

=

32.

40

–

30

=

33.

50

–

30

=

34.

35

–

30

=

35.

35

–

30

=

36.

50

–

25

=

Reken de erafsom tot 50 uit
| ANTWOORDEN

Erafsommen

1.

50

–

15

=

35

2.

20

–

10

=

10

3.

45

–

35

=

10

4.

15

–

10

=

5

5.

10

–

0

=

10

6.

40

–

40

=

0

7.

30

–

15

=

15

8.

20

–

5

=

15

9.

25

–

25

=

0

10.

5

–

0

=

5

11.

50

–

25

=

25

12.

40

–

30

=

10

13.

40

–

15

=

25

14.

20

–

0

=

20

15.

20

–

20

=

0

16.

30

–

20

=

10

17.

25

–

5

=

20

18.

45

–

5

=

40

19.

5

–

0

=

5

20.

40

–

20

=

20

21.

10

–

0

=

10

22.

35

–

20

=

15

23.

50

–

50

=

0

24.

15

–

0

=

15

25.

45

–

5

=

40

26.

20

–

20

=

0

27.

20

–

15

=

5

28.

35

–

5

=

30

29.

25

–

20

=

5

30.

5

–

5

=

0

31.

45

–

20

=

25

32.

40

–

30

=

10

33.

50

–

30

=

20

34.

35

–

30

=

5

35.

35

–

30

=

5

36.

50

–

25

=

25