Rekensommen met eraf tot 12

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

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