Maak de erafsom tot 20

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

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