Welk getal uit de deeltafel van 20 ontbreekt?

Deeltafels
1.
80
:
20
=
=
2.
140
:
20
=
=
3.
60
:
20
=
=
4.
20
:
20
=
=
5.
120
:
20
=
=
6.
160
:
20
=
=
7.
180
:
20
=
=
8.
120
:
20
=
=
9.
140
:
20
=
=
10.
200
:
20
=
=
11.
120
:
20
=
=
12.
100
:
20
=
=
13.
80
:
20
=
=
14.
100
:
20
=
=
15.
40
:
20
=
=
16.
20
:
20
=
=
17.
100
:
20
=
=
18.
140
:
20
=
=
19.
120
:
20
=
=
20.
160
:
20
=
=
21.
80
:
20
=
=

Welk getal uit de deeltafel van 20 ontbreekt?
| ANTWOORDEN

Deeltafels
1.
80
:
20
=
=
4
2.
140
:
20
=
=
7
3.
60
:
20
=
=
3
4.
20
:
20
=
=
1
5.
120
:
20
=
=
6
6.
160
:
20
=
=
8
7.
180
:
20
=
=
9
8.
120
:
20
=
=
6
9.
140
:
20
=
=
7
10.
200
:
20
=
=
10
11.
120
:
20
=
=
6
12.
100
:
20
=
=
5
13.
80
:
20
=
=
4
14.
100
:
20
=
=
5
15.
40
:
20
=
=
2
16.
20
:
20
=
=
1
17.
100
:
20
=
=
5
18.
140
:
20
=
=
7
19.
120
:
20
=
=
6
20.
160
:
20
=
=
8
21.
80
:
20
=
=
4