Welk getal uit de deeltafel van 1 ontbreekt?

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

Welk getal uit de deeltafel van 1 ontbreekt?
| ANTWOORDEN

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