Erafsommen oplossen tot 12

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

Erafsommen oplossen tot 12
| ANTWOORDEN

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