Reken de erafsom tot 20 uit

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

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