Oefen de erafsommen tot 12

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

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