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  5. 不會第二題
Mathematics
Senior High
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不會第二題

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✨ Best Answer ✨

velkior
velkior

假如有兩個相同長度但不同方向的向量
那他們相加的向量就會平分向量夾角
於是在此要將a、b相量變成同長度

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謝謝
你都怎麼讀數學的

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