Welk getal uit de deeltafel van 1 ontbreekt?

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

Welk getal uit de deeltafel van 1 ontbreekt?
| ANTWOORDEN

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