Welk getal uit de deeltafel van 9 ontbreekt?

Deeltafels
1.
81
:
9
=
=
2.
72
:
9
=
=
3.
72
:
9
=
=
4.
36
:
9
=
=
5.
9
:
9
=
=
6.
9
:
9
=
=
7.
54
:
9
=
=
8.
9
:
9
=
=
9.
54
:
9
=
=
10.
81
:
9
=
=
11.
9
:
9
=
=
12.
54
:
9
=
=
13.
63
:
9
=
=
14.
45
:
9
=
=
15.
54
:
9
=
=
16.
9
:
9
=
=
17.
63
:
9
=
=
18.
45
:
9
=
=
19.
9
:
9
=
=
20.
72
:
9
=
=
21.
27
:
9
=
=

Welk getal uit de deeltafel van 9 ontbreekt?
| ANTWOORDEN

Deeltafels
1.
81
:
9
=
=
9
2.
72
:
9
=
=
8
3.
72
:
9
=
=
8
4.
36
:
9
=
=
4
5.
9
:
9
=
=
1
6.
9
:
9
=
=
1
7.
54
:
9
=
=
6
8.
9
:
9
=
=
1
9.
54
:
9
=
=
6
10.
81
:
9
=
=
9
11.
9
:
9
=
=
1
12.
54
:
9
=
=
6
13.
63
:
9
=
=
7
14.
45
:
9
=
=
5
15.
54
:
9
=
=
6
16.
9
:
9
=
=
1
17.
63
:
9
=
=
7
18.
45
:
9
=
=
5
19.
9
:
9
=
=
1
20.
72
:
9
=
=
8
21.
27
:
9
=
=
3