Oefen de erafsommen tot 12

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

Oefen de erafsommen tot 12
| ANTWOORDEN

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