Erafsommen oplossen tot 20

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

Erafsommen oplossen tot 20
| ANTWOORDEN

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