Reken de erafsom tot 20 uit

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

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