Welk getal uit de deeltafel van 9 ontbreekt?

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

Welk getal uit de deeltafel van 9 ontbreekt?
| ANTWOORDEN

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