Предмет: Математика, автор: Nataly15

Точка М- середина стороны АВ параллелограмма ABCD. Выразите вектор SC-SD через вектор BM, где S- произвольная точка пространства

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Автор ответа: misye

0

Так как SD+DC=SC ,то SC-SD=DC
DC= -2BM
(SC-SD) = -2BM

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