Maak de erafsom tot 20

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

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