October 2018 1 15 Report

Oblicz. a) (-1 i 3/10 -2 i 4/5) : (1 i 3/4 - 3 i 5/6)=

b) (3 i 1/2 i 5 i 3/4) * (i1 i 3/5 + 23/30) *(1 i 1/6-3 i 13/15)=

c) (1 i 2/3 - 2 i 1/4) * (3 i 1/2 - 2 i 3/10) : ( -1 i 3/4 - 1 i 1/20)=

d) (-1 i 1/2 - 2 i 2/3) : (1 i 5/6 - 2 i 17/18) : (-1 i 11/12 - 1 i 5/6)=


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