Welk getal uit de deeltafel van 3 ontbreekt?

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

Welk getal uit de deeltafel van 3 ontbreekt?
| ANTWOORDEN

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