Deelsommen door elkaar. Welk getal ontbreekt?

Deeltafels
1.
20
:
2
=
=
2.
10
:
2
=
=
3.
12
:
2
=
=
4.
54
:
9
=
=
5.
36
:
4
=
=
6.
2
:
2
=
=
7.
6
:
2
=
=
8.
3
:
1
=
=
9.
54
:
9
=
=
10.
4
:
2
=
=
11.
42
:
7
=
=
12.
64
:
8
=
=
13.
5
:
1
=
=
14.
3
:
3
=
=
15.
100
:
10
=
=
16.
10
:
1
=
=
17.
21
:
3
=
=
18.
64
:
8
=
=
19.
4
:
4
=
=
20.
9
:
9
=
=
21.
30
:
6
=
=
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Deelsommen door elkaar. Welk getal ontbreekt?
| ANTWOORDEN

Deeltafels
1.
20
:
2
=
=
10
2.
10
:
2
=
=
5
3.
12
:
2
=
=
6
4.
54
:
9
=
=
6
5.
36
:
4
=
=
9
6.
2
:
2
=
=
1
7.
6
:
2
=
=
3
8.
3
:
1
=
=
3
9.
54
:
9
=
=
6
10.
4
:
2
=
=
2
11.
42
:
7
=
=
6
12.
64
:
8
=
=
8
13.
5
:
1
=
=
5
14.
3
:
3
=
=
1
15.
100
:
10
=
=
10
16.
10
:
1
=
=
10
17.
21
:
3
=
=
7
18.
64
:
8
=
=
8
19.
4
:
4
=
=
1
20.
9
:
9
=
=
1
21.
30
:
6
=
=
5
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen