Oefen de erafsommen tot 12

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

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