Oefen de erafsommen tot 12

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

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