Welk getal uit de deeltafel van 20 ontbreekt?

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

Welk getal uit de deeltafel van 20 ontbreekt?
| ANTWOORDEN

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