Reken de erafsom tot 20 uit

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

Reken de erafsom tot 20 uit
| ANTWOORDEN

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