Rekensommen met eraf tot 10

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

Rekensommen met eraf tot 10
| ANTWOORDEN

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