Reken de erafsom tot 50 uit

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

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