Reken de erafsom tot 50 uit

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

Reken de erafsom tot 50 uit
| ANTWOORDEN

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