Welk getal uit de deeltafel van 3 ontbreekt?

Deeltafels
1.
3
:
3
=
=
2.
3
:
3
=
=
3.
24
:
3
=
=
4.
30
:
3
=
=
5.
27
:
3
=
=
6.
3
:
3
=
=
7.
3
:
3
=
=
8.
18
:
3
=
=
9.
3
:
3
=
=
10.
21
:
3
=
=
11.
27
:
3
=
=
12.
3
:
3
=
=
13.
30
:
3
=
=
14.
9
:
3
=
=
15.
30
:
3
=
=
16.
15
:
3
=
=
17.
6
:
3
=
=
18.
6
:
3
=
=
19.
18
:
3
=
=
20.
27
:
3
=
=
21.
18
:
3
=
=

Welk getal uit de deeltafel van 3 ontbreekt?
| ANTWOORDEN

Deeltafels
1.
3
:
3
=
=
1
2.
3
:
3
=
=
1
3.
24
:
3
=
=
8
4.
30
:
3
=
=
10
5.
27
:
3
=
=
9
6.
3
:
3
=
=
1
7.
3
:
3
=
=
1
8.
18
:
3
=
=
6
9.
3
:
3
=
=
1
10.
21
:
3
=
=
7
11.
27
:
3
=
=
9
12.
3
:
3
=
=
1
13.
30
:
3
=
=
10
14.
9
:
3
=
=
3
15.
30
:
3
=
=
10
16.
15
:
3
=
=
5
17.
6
:
3
=
=
2
18.
6
:
3
=
=
2
19.
18
:
3
=
=
6
20.
27
:
3
=
=
9
21.
18
:
3
=
=
6