Welk getal uit de deeltafel van 3 ontbreekt?

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

Welk getal uit de deeltafel van 3 ontbreekt?
| ANTWOORDEN

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