Oefen de erafsommen tot 12

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

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