Erafsommen tot 50 maken

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

Erafsommen tot 50 maken
| ANTWOORDEN

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