September 2018 1 27 Report

Zadanie 1.Oblicz:

a) 3 i 1/2 % z 50,

b) 2 i 1.5 % z 2000,

c) 1 i 1/4 % z 300,

d) 4 i 3/4 % z 38,

Zadanie 2.

Ile soli zawiera 2,5 kg roztworu o stężeniu 6%?


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