Cho \(\overrightarrow{a};\overrightarrow{b}\)có \(|\overrightarrow{a}|=3cm\)và\(|\overrightarrow{b|}=2cm\)Vẽ các...
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Cho \(\overrightarrow{a};\overrightarrow{b}\)có \(|\overrightarrow{a}|=3cm\)và\(|\overrightarrow{b|}=2cm\)Vẽ các vecto
a) \(\overrightarrow{a}+\overrightarrow{b}\)
b)\(\overrightarrow{a}-\overrightarrow{b}\)
c)\(\overrightarrow{a}+2\overrightarrow{b}\)
d)\(\overrightarrow{-2a}+\overrightarrow{b}\)
e)\(\overrightarrow{\frac{2}{3}a}-\overrightarrow{b\frac{3}{2}}\)
