Übe die 9er-Reihe [1]
Einmaleins
1.
•
=
9
90
________
2.
•
=
9
3
________
3.
•
=
9
8
________
4.
•
=
9
54
________
5.
•
=
9
4
________
6.
•
=
9
4
________
7.
•
=
9
90
________
8.
•
=
9
2
________
9.
•
=
9
63
________
10.
•
=
9
45
________
11.
•
=
9
18
________
12.
•
=
9
9
________
13.
•
=
9
6
________
14.
•
=
9
27
________
15.
•
=
9
27
________
16.
•
=
9
9
________
17.
•
=
9
5
________
18.
•
=
9
9
________
19.
•
=
9
9
________
20.
•
=
9
8
________
21.
•
=
9
81
________
22.
•
=
9
3
________
23.
•
=
9
8
________
24.
•
=
9
90
________