Welk getal uit de deeltafel van 1 ontbreekt?

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

Welk getal uit de deeltafel van 1 ontbreekt?
| ANTWOORDEN

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