Oefen de erafsommen tot 12

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

Oefen de erafsommen tot 12
| ANTWOORDEN

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