Maak de erafsom tot 20

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

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