27 -6 :(4 :7 -9*3) = 27 -6 : ( 4/7 -27) = 27 -6 :( 4/7 - 26i7/7)=
27 -6 : (-26i3/7)= 27 -6 :( -185/7) = 27 -6 *(-7/185) = 27 -(-42/185)=
27 + 42/185 = 27i42/185
Rozwiązanie w załączniku
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27 -6 :(4 :7 -9*3) = 27 -6 : ( 4/7 -27) = 27 -6 :( 4/7 - 26i7/7)=
27 -6 : (-26i3/7)= 27 -6 :( -185/7) = 27 -6 *(-7/185) = 27 -(-42/185)=
27 + 42/185 = 27i42/185
Rozwiązanie w załączniku