Reken de erafsom tot 20 uit

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

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