Rekensommen met eraf tot 50

Erafsommen
1.
50
–
25
=
2.
50
–
5
=
3.
10
–
0
=
4.
15
–
10
=
5.
5
–
0
=
6.
10
–
0
=
7.
45
–
0
=
8.
5
–
0
=
9.
35
–
35
=
10.
40
–
30
=
11.
40
–
5
=
12.
50
–
25
=
13.
30
–
0
=
14.
30
–
10
=
15.
40
–
40
=
16.
15
–
5
=
17.
15
–
0
=
18.
35
–
5
=
19.
50
–
40
=
20.
35
–
15
=
21.
35
–
5
=
22.
50
–
50
=
23.
35
–
35
=
24.
40
–
25
=
25.
20
–
0
=
26.
50
–
35
=
27.
25
–
10
=
28.
45
–
5
=
29.
40
–
10
=
30.
50
–
50
=
31.
30
–
0
=
32.
5
–
5
=
33.
10
–
5
=
34.
20
–
5
=
35.
35
–
35
=
36.
35
–
15
=
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Rekensommen met eraf tot 50
| ANTWOORDEN

Erafsommen
1.
50
–
25
=
25
2.
50
–
5
=
45
3.
10
–
0
=
10
4.
15
–
10
=
5
5.
5
–
0
=
5
6.
10
–
0
=
10
7.
45
–
0
=
45
8.
5
–
0
=
5
9.
35
–
35
=
0
10.
40
–
30
=
10
11.
40
–
5
=
35
12.
50
–
25
=
25
13.
30
–
0
=
30
14.
30
–
10
=
20
15.
40
–
40
=
0
16.
15
–
5
=
10
17.
15
–
0
=
15
18.
35
–
5
=
30
19.
50
–
40
=
10
20.
35
–
15
=
20
21.
35
–
5
=
30
22.
50
–
50
=
0
23.
35
–
35
=
0
24.
40
–
25
=
15
25.
20
–
0
=
20
26.
50
–
35
=
15
27.
25
–
10
=
15
28.
45
–
5
=
40
29.
40
–
10
=
30
30.
50
–
50
=
0
31.
30
–
0
=
30
32.
5
–
5
=
0
33.
10
–
5
=
5
34.
20
–
5
=
15
35.
35
–
35
=
0
36.
35
–
15
=
20
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen