Rekensommen met eraf tot 12

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

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