Erafsommen tot 20 maken

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

Erafsommen tot 20 maken
| ANTWOORDEN

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