Maak de erafsom tot 20

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

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