Welk getal uit de deeltafel van 1 ontbreekt?

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

Welk getal uit de deeltafel van 1 ontbreekt?
| ANTWOORDEN

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