Rekensommen met eraf tot 12

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

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