Postupně vypočítej zadané příklady.

8 . 4 =	7 . 4 =	5 . 4 =	4 . 4 =
9 . 4 =	6 . 4 =	4 . 3 =	9 . 4 =
. 4 = 12	. 4 = 20	4 . = 16	4 . = 24
. 4 = 8	. 4 = 32	4 . 0 =	4 . = 28
= 4 . 9	= 3 . 4	= 5 . 4	32 = . 4
8 = . 4	24 = 4 .	40 = . 4	32 = 4 .