Rekensommen met eraf tot 12

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

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