Welk getal uit de deeltafel van 9 ontbreekt?

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

Welk getal uit de deeltafel van 9 ontbreekt?
| ANTWOORDEN

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