October 2018 1 12 Report

Oblicz:

a) 1/7( 1/8 + 0,05 ) + [( 1/4 - 1/5 ) 1/2 + 2 ]*1/9=

1 2/3 ( 0,45*4) + 2,7(1/9+1)=

b) 1/4(0,15+1/2)-0,25*0,25-0,1=

8/15(1/2-0,25)+2[(0,1+1/6)*2-0,5=

Zad.2 Rozwiąż równania, stosując metodę krok po kroku:

2(x-7 1/2)=4

1/4(x+0,1)= 1,4

0,3 (2x+5)=4 1/2

Zad.3

Rozwiąż równanie 0,(2)x+1=1 1/18


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