Oefen de erafsommen tot 1.000

Erafsommen
1.
650
–
50
=
2.
950
–
750
=
3.
350
–
100
=
4.
600
–
400
=
5.
800
–
200
=
6.
950
–
950
=
7.
950
–
0
=
8.
150
–
100
=
9.
600
–
450
=
10.
150
–
100
=
11.
350
–
350
=
12.
300
–
0
=
13.
100
–
0
=
14.
600
–
550
=
15.
400
–
400
=
16.
300
–
50
=
17.
450
–
0
=
18.
100
–
50
=
19.
300
–
200
=
20.
500
–
50
=
21.
150
–
100
=
22.
750
–
450
=
23.
500
–
300
=
24.
300
–
50
=
25.
300
–
250
=
26.
100
–
100
=
27.
800
–
350
=
28.
650
–
650
=
29.
350
–
350
=
30.
1000
–
550
=
31.
200
–
50
=
32.
750
–
450
=
33.
650
–
550
=
34.
250
–
100
=
35.
500
–
100
=
36.
600
–
200
=
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Oefen de erafsommen tot 1.000
| ANTWOORDEN

Erafsommen
1.
650
–
50
=
600
2.
950
–
750
=
200
3.
350
–
100
=
250
4.
600
–
400
=
200
5.
800
–
200
=
600
6.
950
–
950
=
0
7.
950
–
0
=
950
8.
150
–
100
=
50
9.
600
–
450
=
150
10.
150
–
100
=
50
11.
350
–
350
=
0
12.
300
–
0
=
300
13.
100
–
0
=
100
14.
600
–
550
=
50
15.
400
–
400
=
0
16.
300
–
50
=
250
17.
450
–
0
=
450
18.
100
–
50
=
50
19.
300
–
200
=
100
20.
500
–
50
=
450
21.
150
–
100
=
50
22.
750
–
450
=
300
23.
500
–
300
=
200
24.
300
–
50
=
250
25.
300
–
250
=
50
26.
100
–
100
=
0
27.
800
–
350
=
450
28.
650
–
650
=
0
29.
350
–
350
=
0
30.
1000
–
550
=
450
31.
200
–
50
=
150
32.
750
–
450
=
300
33.
650
–
550
=
100
34.
250
–
100
=
150
35.
500
–
100
=
400
36.
600
–
200
=
400
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen