Erafsommen tot 50 maken

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

Erafsommen tot 50 maken
| ANTWOORDEN

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