Rekensommen met eraf tot 20

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

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