Erafsommen tot 50 maken

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

Erafsommen tot 50 maken
| ANTWOORDEN

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