e7mi8nmbcorseypere e7mi8nmbcorseypere
  • 25-11-2016
  • Mathematics
contestada

Simplify (7 – 2i) – (3 + 9i)

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Аноним Аноним
  • 26-11-2016
7-2i-3-9i=
7-3-(2+9)i=
4-11i

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