Postupně vypočítej zadané příklady.

6 . 1 =	8 . = 8	. 1 = 5	9 . 1 =
1 . = 2	. 10 = 10	1 . 7 =	1 . = 3
. 6 = 6	1 . 5 =	1 . = 4	1 . 0 =
= 2 . 1	1 = . 1	8 = 8 .	= 1 . 10
7 = 1 .	3 = . 1	= 1 . 9	= 4 . 1
5 = 1 .	6 = . 1	. 1 = 7	4 . 1 =