Maak de erafsom tot 20

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

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