Welk getal uit de deeltafel van 1 ontbreekt?

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

Welk getal uit de deeltafel van 1 ontbreekt?
| ANTWOORDEN

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