Oefen de erafsommen tot 12

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

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