Welk getal uit de deeltafel van 20 ontbreekt?

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

Welk getal uit de deeltafel van 20 ontbreekt?
| ANTWOORDEN

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