Maak de erafsom tot 50

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

Maak de erafsom tot 50
| ANTWOORDEN

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