Welk getal uit de tafel van 10 ontbreekt?
Tafels
1.
×
=
10
2
________
2.
×
=
10
9
________
3.
×
=
10
8
________
4.
×
=
10
2
________
5.
×
=
10
4
________
6.
×
=
10
6
________
7.
×
=
10
1
________
8.
×
=
10
7
________
9.
×
=
10
6
________
10.
×
=
10
9
________
11.
×
=
10
1
________
12.
×
=
10
6
________
13.
×
=
10
1
________
14.
×
=
10
7
________
15.
×
=
10
3
________
16.
×
=
10
1
________
17.
×
=
10
7
________
18.
×
=
10
4
________
19.
×
=
10
10
________
20.
×
=
10
1
________
21.
×
=
10
5
________
22.
×
=
10
3
________
23.
×
=
10
4
________
24.
×
=
10
7
________