Welk getal uit de deeltafel van 1 ontbreekt?

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

Welk getal uit de deeltafel van 1 ontbreekt?
| ANTWOORDEN

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