Maak de erafsom tot 20

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

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