Welk getal uit de deeltafel van 3 ontbreekt?

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

Welk getal uit de deeltafel van 3 ontbreekt?
| ANTWOORDEN

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