Welk getal uit de deeltafel van 9 ontbreekt?

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

Welk getal uit de deeltafel van 9 ontbreekt?
| ANTWOORDEN

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