Welk getal uit de deeltafel van 20 ontbreekt?

Deeltafels
1.
20
:
20
=
=
2.
180
:
20
=
=
3.
200
:
20
=
=
4.
120
:
20
=
=
5.
100
:
20
=
=
6.
140
:
20
=
=
7.
120
:
20
=
=
8.
60
:
20
=
=
9.
80
:
20
=
=
10.
200
:
20
=
=
11.
200
:
20
=
=
12.
20
:
20
=
=
13.
80
:
20
=
=
14.
100
:
20
=
=
15.
60
:
20
=
=
16.
200
:
20
=
=
17.
120
:
20
=
=
18.
80
:
20
=
=
19.
80
:
20
=
=
20.
140
:
20
=
=
21.
180
:
20
=
=

Welk getal uit de deeltafel van 20 ontbreekt?
| ANTWOORDEN

Deeltafels
1.
20
:
20
=
=
1
2.
180
:
20
=
=
9
3.
200
:
20
=
=
10
4.
120
:
20
=
=
6
5.
100
:
20
=
=
5
6.
140
:
20
=
=
7
7.
120
:
20
=
=
6
8.
60
:
20
=
=
3
9.
80
:
20
=
=
4
10.
200
:
20
=
=
10
11.
200
:
20
=
=
10
12.
20
:
20
=
=
1
13.
80
:
20
=
=
4
14.
100
:
20
=
=
5
15.
60
:
20
=
=
3
16.
200
:
20
=
=
10
17.
120
:
20
=
=
6
18.
80
:
20
=
=
4
19.
80
:
20
=
=
4
20.
140
:
20
=
=
7
21.
180
:
20
=
=
9