Maak de erafsom tot 20

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

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