Oefen de erafsommen tot 12

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

Oefen de erafsommen tot 12
| ANTWOORDEN

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