Rekensommen met eraf tot 12

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

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