Welk getal uit de deeltafel van 9 ontbreekt?

Deeltafels
1.
27
:
9
=
=
2.
18
:
9
=
=
3.
45
:
9
=
=
4.
81
:
9
=
=
5.
36
:
9
=
=
6.
63
:
9
=
=
7.
72
:
9
=
=
8.
9
:
9
=
=
9.
54
:
9
=
=
10.
45
:
9
=
=
11.
72
:
9
=
=
12.
63
:
9
=
=
13.
54
:
9
=
=
14.
9
:
9
=
=
15.
90
:
9
=
=
16.
72
:
9
=
=
17.
72
:
9
=
=
18.
72
:
9
=
=
19.
72
:
9
=
=
20.
81
:
9
=
=
21.
18
:
9
=
=

Welk getal uit de deeltafel van 9 ontbreekt?
| ANTWOORDEN

Deeltafels
1.
27
:
9
=
=
3
2.
18
:
9
=
=
2
3.
45
:
9
=
=
5
4.
81
:
9
=
=
9
5.
36
:
9
=
=
4
6.
63
:
9
=
=
7
7.
72
:
9
=
=
8
8.
9
:
9
=
=
1
9.
54
:
9
=
=
6
10.
45
:
9
=
=
5
11.
72
:
9
=
=
8
12.
63
:
9
=
=
7
13.
54
:
9
=
=
6
14.
9
:
9
=
=
1
15.
90
:
9
=
=
10
16.
72
:
9
=
=
8
17.
72
:
9
=
=
8
18.
72
:
9
=
=
8
19.
72
:
9
=
=
8
20.
81
:
9
=
=
9
21.
18
:
9
=
=
2