Rekensommen met eraf tot 20

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

Rekensommen met eraf tot 20
| ANTWOORDEN

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