Maak de erafsom tot 12

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

Maak de erafsom tot 12
| ANTWOORDEN

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