Deelsommen door elkaar. Welk getal ontbreekt?

Deeltafels
1.
28
:
4
=
=
2.
20
:
4
=
=
3.
5
:
1
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=
4.
21
:
3
=
=
5.
30
:
3
=
=
6.
9
:
1
=
=
7.
72
:
9
=
=
8.
36
:
4
=
=
9.
10
:
5
=
=
10.
36
:
6
=
=
11.
36
:
6
=
=
12.
90
:
10
=
=
13.
6
:
6
=
=
14.
6
:
1
=
=
15.
8
:
8
=
=
16.
81
:
9
=
=
17.
3
:
1
=
=
18.
16
:
2
=
=
19.
28
:
7
=
=
20.
48
:
6
=
=
21.
8
:
4
=
=
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Deelsommen door elkaar. Welk getal ontbreekt?
| ANTWOORDEN

Deeltafels
1.
28
:
4
=
=
7
2.
20
:
4
=
=
5
3.
5
:
1
=
=
5
4.
21
:
3
=
=
7
5.
30
:
3
=
=
10
6.
9
:
1
=
=
9
7.
72
:
9
=
=
8
8.
36
:
4
=
=
9
9.
10
:
5
=
=
2
10.
36
:
6
=
=
6
11.
36
:
6
=
=
6
12.
90
:
10
=
=
9
13.
6
:
6
=
=
1
14.
6
:
1
=
=
6
15.
8
:
8
=
=
1
16.
81
:
9
=
=
9
17.
3
:
1
=
=
3
18.
16
:
2
=
=
8
19.
28
:
7
=
=
4
20.
48
:
6
=
=
8
21.
8
:
4
=
=
2
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen