Erafsommen tot 50 maken

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

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