Welk getal uit de deeltafel van 1 ontbreekt?

Deeltafels
1.
9
:
1
=
=
2.
9
:
1
=
=
3.
5
:
1
=
=
4.
2
:
1
=
=
5.
5
:
1
=
=
6.
5
:
1
=
=
7.
5
:
1
=
=
8.
1
:
1
=
=
9.
9
:
1
=
=
10.
9
:
1
=
=
11.
10
:
1
=
=
12.
8
:
1
=
=
13.
2
:
1
=
=
14.
9
:
1
=
=
15.
2
:
1
=
=
16.
10
:
1
=
=
17.
6
:
1
=
=
18.
4
:
1
=
=
19.
2
:
1
=
=
20.
8
:
1
=
=
21.
9
:
1
=
=

Welk getal uit de deeltafel van 1 ontbreekt?
| ANTWOORDEN

Deeltafels
1.
9
:
1
=
=
9
2.
9
:
1
=
=
9
3.
5
:
1
=
=
5
4.
2
:
1
=
=
2
5.
5
:
1
=
=
5
6.
5
:
1
=
=
5
7.
5
:
1
=
=
5
8.
1
:
1
=
=
1
9.
9
:
1
=
=
9
10.
9
:
1
=
=
9
11.
10
:
1
=
=
10
12.
8
:
1
=
=
8
13.
2
:
1
=
=
2
14.
9
:
1
=
=
9
15.
2
:
1
=
=
2
16.
10
:
1
=
=
10
17.
6
:
1
=
=
6
18.
4
:
1
=
=
4
19.
2
:
1
=
=
2
20.
8
:
1
=
=
8
21.
9
:
1
=
=
9