3-1 向量的作圖

​習作2-2

​習作2-2

​線上測驗

Multiple Choice

• $$\overrightarrow{\ a}\ ,\overrightarrow{\ b}\ ,\overrightarrow{\ a}$$

• $$-\overrightarrow{\ a}\ ,\overrightarrow{\ b}\ ,-\overrightarrow{\ a}$$

• $$\overrightarrow{\ b}\ ,\overrightarrow{\ a}\ ,\overrightarrow{\ b}$$

• $$-\overrightarrow{\ b}\ ,\overrightarrow{\ a}\ ,-\overrightarrow{\ b}$$

Multiple Choice

• $$\overrightarrow{\ a}\$$

• $$\ \ \overrightarrow{\ b}$$

• $$\ \ \overrightarrow{\ c}$$

• $$\ -\overrightarrow{\ b}$$

Multiple Choice

• $$-\overrightarrow{\ a}\$$

• $$\ \ \overrightarrow{\ b}$$

• $$-\ \overrightarrow{\ c}$$

• $$\ -\overrightarrow{\ b}$$

Multiple Choice

• $$-\overrightarrow{\ a}\$$

• $$\ \ \overrightarrow{\ b}$$

• $$-\ \overrightarrow{\ c}$$

• $$\ -\overrightarrow{\ b}$$

​抽抽樂

​回家作業

​抽抽樂

​回家作業

Multiple Choice

• $$-\frac{3}{2},2,-3$$

• $$-\frac{2}{3},\frac{1}{2},-\frac{1}{3}$$

• $$\frac{2}{3},\frac{1}{2},\frac{1}{3}$$