Rekensommen met eraf tot 12

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

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