Gaokao Math Practice Question
3.已知向量 $\boldsymbol{a}=(2,3), \boldsymbol{b}=(3,2)$, 则 $|\boldsymbol{a}-\boldsymbol{b}|=$
- A.$\sqrt{2}$
- B.2
- C.$5 \sqrt{2}$
- D.50
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