Odpowiedzi

2009-11-15T18:33:53+01:00
(0,4)ˉ² - (0,75)ˉ¹ + (5,6)º * 7/12 (2/5)ˉ²-(3/4)ˉ¹+1*7/12
--------------------------------------- = ------------------------------=
(2/3)ˉ³ + (-8)ˉ¹ * 7 + (0,5)² (3/2)³-(1/8)*7+(1/2)²

(5/2)²-(4/3)+7/12 25/4-4/3+7/12 75/12-16/12+7/12
-----------------------= ----------------------= -----------------------=
7/8-7/8+1/4 20/8+1/4 10/4+1/4

66/12
-------= 66/12 *4/11=2
11/4


37,5% z 2=37,5/100 *2=0,75
7 3 7