Rekensommen met eraf tot 12

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

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