Maak de erafsom tot 20

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

Maak de erafsom tot 20
| ANTWOORDEN

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