Erafsommen tot 50 maken

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

Erafsommen tot 50 maken
| ANTWOORDEN

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