Reken de erafsom tot 20 uit

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

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