Welk getal uit de deeltafel van 20 ontbreekt?

Deeltafels
1.
20
:
20
=
=
2.
160
:
20
=
=
3.
200
:
20
=
=
4.
60
:
20
=
=
5.
200
:
20
=
=
6.
80
:
20
=
=
7.
60
:
20
=
=
8.
200
:
20
=
=
9.
200
:
20
=
=
10.
20
:
20
=
=
11.
120
:
20
=
=
12.
120
:
20
=
=
13.
60
:
20
=
=
14.
180
:
20
=
=
15.
140
:
20
=
=
16.
180
:
20
=
=
17.
200
:
20
=
=
18.
140
:
20
=
=
19.
180
:
20
=
=
20.
180
:
20
=
=
21.
100
:
20
=
=

Welk getal uit de deeltafel van 20 ontbreekt?
| ANTWOORDEN

Deeltafels
1.
20
:
20
=
=
1
2.
160
:
20
=
=
8
3.
200
:
20
=
=
10
4.
60
:
20
=
=
3
5.
200
:
20
=
=
10
6.
80
:
20
=
=
4
7.
60
:
20
=
=
3
8.
200
:
20
=
=
10
9.
200
:
20
=
=
10
10.
20
:
20
=
=
1
11.
120
:
20
=
=
6
12.
120
:
20
=
=
6
13.
60
:
20
=
=
3
14.
180
:
20
=
=
9
15.
140
:
20
=
=
7
16.
180
:
20
=
=
9
17.
200
:
20
=
=
10
18.
140
:
20
=
=
7
19.
180
:
20
=
=
9
20.
180
:
20
=
=
9
21.
100
:
20
=
=
5