September 2018 2 39 Report

Proporcionalnośc , prosze dzialania. :

a )x/5= 1/2

b) 2/x=3

c) (x-1) /7 = 3/4

d) 7/x-2 = 1/8

e) x+3 /2 = 7

f ) x-4/2 = x+1/3

g) x+2/5 = x/7

h) 3/x+1 = 4/x

i) x+3/x-2 = 2

j) x-6/x+5 = 3/4

Zad 2.

x/2 = 56

b) x/2= x+1/4

c) 2(x-1)/3= x+2/5

d) x-1/x+3 = x/x+1

e) 2a+1/2a=a+3/a-1

f) b-2/b+1=6/6-3

dzienki z gory za odp :* wynagrodze, zle odp, zglaszam do admina :)

Wiem ze trzeba na krzyz itp, ale niepotrafie tego zrobic:(


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