Erafsommen tot 50 maken

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

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