高中數學主題練習—空間兩向量之平分單位向量

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               padding: 1px 0.25rem;                font-family: Menlo, Consolas, Monaco, monospace;                font-size: 94%;              }            </style></head><body><div class="article-container"><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/b243cb41-d14f-4f4b-860f-663754e23cb6.png" data-src="https://resize-image.vocus.cc/resize?compression=6&norotation=true&url=https%3A%2F%2Fimages.vocus.cc%2Fb243cb41-d14f-4f4b-860f-663754e23cb6.png&width=498&sign=qBjXN7zjuFE9qciT3uXVDcLt0dpvavv5M20Uzl2A7A0" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/b243cb41-d14f-4f4b-860f-663754e23cb6.png" data-lowquality="false" data-width="498" data-height="835" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="raw-image"></div><div></div></div><hr><h2 class="graf--h2" dir="ltr"><span style="white-space: pre-wrap;">解答：</span></h2><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/3ba0ff93-55f0-4f2d-920f-c7d29cfcf55c.png" data-src="https://resize-image.vocus.cc/resize?compression=6&norotation=true&url=https%3A%2F%2Fimages.vocus.cc%2F3ba0ff93-55f0-4f2d-920f-c7d29cfcf55c.png&width=498&sign=EyP3yCFxZjZ8cvpM4BMEcVcIxw2f-KX0FJbR5ipWJY4" class="lazy" data-loaded="false" data-original-src="https://images.vocus.cc/3ba0ff93-55f0-4f2d-920f-c7d29cfcf55c.png" data-lowquality="false" data-width="498" data-height="696" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="raw-image"></div><div></div></div><p class="graf--p" dir="ltr"><br></p><p class="graf--p" dir="ltr"><br></p></div></body></html>

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空間兩向量之平分單位向量（一）

<div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2Fb243cb41-d14f-4f4b-860f-663754e23cb6.png&amp;width=498&amp;sign=qBjXN7zjuFE9qciT3uXVDcLt0dpvavv5M20Uzl2A7A0" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2Fb243cb41-d14f-4f4b-860f-663754e23cb6.png&amp;width=498&amp;sign=qBjXN7zjuFE9qciT3uXVDcLt0dpvavv5M20Uzl2A7A0" data-loaded="true" data-original-src="https://images.vocus.cc/b243cb41-d14f-4f4b-860f-663754e23cb6.png" data-lowquality="false" data-width="498" data-height="835" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="true" alt="raw-image"></div><div></div></div><hr><h2 class="lexical__h2" dir="ltr"><span style="white-space: pre-wrap;">解答：</span></h2><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F3ba0ff93-55f0-4f2d-920f-c7d29cfcf55c.png&amp;width=498&amp;sign=EyP3yCFxZjZ8cvpM4BMEcVcIxw2f-KX0FJbR5ipWJY4" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F3ba0ff93-55f0-4f2d-920f-c7d29cfcf55c.png&amp;width=498&amp;sign=EyP3yCFxZjZ8cvpM4BMEcVcIxw2f-KX0FJbR5ipWJY4" data-loaded="true" data-original-src="https://images.vocus.cc/3ba0ff93-55f0-4f2d-920f-c7d29cfcf55c.png" data-lowquality="false" data-width="498" data-height="696" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="true" alt="raw-image"></div><div></div></div><p class="lexical__paragraph" dir="ltr"><br></p><p class="lexical__paragraph" dir="ltr"><br></p>