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= - 7 + ( - 7/3) * 1/2 =
= - 7 + ( - 7/6)=
= - 7 + ( - 1 i 1/6)=
= - 7 - 1 i 1/6=
= - 8 i 1/6
( -4 - 1 i 1/2) : (- 2 i 1/3)=
=( - 5 i 1/2) : ( - 7/3) =
= ( - 11/2) * (- 3/7) =
= 33/14=
= 2 i 5/14
Mam nadzieję, że pomogłam. ;)