Erafsommen tot 50 maken

Erafsommen
1.
10
–
10
=
2.
10
–
5
=
3.
35
–
15
=
4.
5
–
5
=
5.
35
–
35
=
6.
35
–
15
=
7.
20
–
5
=
8.
35
–
30
=
9.
35
–
0
=
10.
35
–
20
=
11.
25
–
15
=
12.
45
–
15
=
13.
20
–
5
=
14.
50
–
5
=
15.
10
–
10
=
16.
20
–
15
=
17.
50
–
40
=
18.
45
–
10
=
19.
40
–
0
=
20.
50
–
35
=
21.
5
–
0
=
22.
10
–
5
=
23.
5
–
0
=
24.
50
–
20
=
25.
35
–
35
=
26.
30
–
5
=
27.
45
–
0
=
28.
45
–
45
=
29.
25
–
20
=
30.
30
–
25
=
31.
50
–
45
=
32.
25
–
5
=
33.
5
–
0
=
34.
10
–
0
=
35.
45
–
25
=
36.
40
–
40
=
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Erafsommen tot 50 maken
| ANTWOORDEN

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