Welk getal uit de deeltafel van 3 ontbreekt?

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

Welk getal uit de deeltafel van 3 ontbreekt?
| ANTWOORDEN

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