Welk getal uit de deeltafel van 20 ontbreekt?

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

Welk getal uit de deeltafel van 20 ontbreekt?
| ANTWOORDEN

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