Задача 73333 прошу help...

6527f54fe6a337378646a979

12.10.2023 16:33:34

прошу help

5f3ea7e3faf909182968ddd9

12.10.2023 21:51:39

★

vector{DC}=\vector{AB}=vector{x}

vector{AD}=\vector{BC}=vector{y}

-vector{AD}=-vector{y}

vector{DA}=-vector{AD}=-vector{y}

vector{AO}=[m]\frac{1}{2}[/m](vector{AB}+vector{BC})=[m]\frac{1}{2}[/m](vector{x}+vector{y})

2*vector{AO}=vector{BD}=(vector{AD}-vector{AB})=vector{y}-vector{x}