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shuma2006
@shuma2006
July 2022
1
8
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Вектора друзья, никак не могу выразить два последних!
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ljudmila961
BO=-1/3a-1/6b
CO=-1/3a+1/3b
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shuma2006
Людмила, подскажите, почему так?
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CO=-1/3a+1/3b