Deelsommen door elkaar. Welk getal ontbreekt?

Deeltafels
1.
40
:
10
=
=
2.
5
:
5
=
=
3.
80
:
8
=
=
4.
32
:
8
=
=
5.
20
:
5
=
=
6.
16
:
8
=
=
7.
42
:
6
=
=
8.
45
:
9
=
=
9.
56
:
8
=
=
10.
8
:
4
=
=
11.
12
:
3
=
=
12.
36
:
4
=
=
13.
54
:
6
=
=
14.
6
:
6
=
=
15.
20
:
10
=
=
16.
6
:
3
=
=
17.
21
:
3
=
=
18.
16
:
4
=
=
19.
5
:
1
=
=
20.
40
:
5
=
=
21.
14
:
2
=
=
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Deelsommen door elkaar. Welk getal ontbreekt?
| ANTWOORDEN

Deeltafels
1.
40
:
10
=
=
4
2.
5
:
5
=
=
1
3.
80
:
8
=
=
10
4.
32
:
8
=
=
4
5.
20
:
5
=
=
4
6.
16
:
8
=
=
2
7.
42
:
6
=
=
7
8.
45
:
9
=
=
5
9.
56
:
8
=
=
7
10.
8
:
4
=
=
2
11.
12
:
3
=
=
4
12.
36
:
4
=
=
9
13.
54
:
6
=
=
9
14.
6
:
6
=
=
1
15.
20
:
10
=
=
2
16.
6
:
3
=
=
2
17.
21
:
3
=
=
7
18.
16
:
4
=
=
4
19.
5
:
1
=
=
5
20.
40
:
5
=
=
8
21.
14
:
2
=
=
7
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen