Welk getal uit de deeltafel van 9 ontbreekt?

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

Welk getal uit de deeltafel van 9 ontbreekt?
| ANTWOORDEN

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