Erafsommen tot 50 maken

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

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