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Автор - ilyacser942

параллелограмме abcd вектор CA =a, вектор CD=c. выразить через векторы a и c векторы AB BC AC BD CB CA

Ответ

Автор - seniorbogdasha20

Ответ:

АB=-c BC=c-a DA=a-c

Объяснение:

Ответ

Автор - vika228100

АС -BC^2

BC(CB-CA)2-(2×12)

Ответы и объяснения

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