Reken de erafsom tot 20 uit

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

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