Oefen de erafsommen tot 12

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

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