高中數學主題練習—過圓上一點之切線

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this.dataset.retry = Number(this.dataset.retry)+1;})()" alt="raw-image"></div><div></div></div><p class="graf--p"><br></p><p class="graf--p" dir="ltr"><br></p></div></body></html>

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高中數學主題練習—過圓外一點之切線

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<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%2F13664019-ef02-4619-a61a-eb7a8295c68d.png&amp;width=637&amp;sign=wgyv8X6H3TmXNRLqb1mwjv7c2jmLov5TmVjUx0SN_rw" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F13664019-ef02-4619-a61a-eb7a8295c68d.png&amp;width=637&amp;sign=wgyv8X6H3TmXNRLqb1mwjv7c2jmLov5TmVjUx0SN_rw" data-loaded="true" data-original-src="https://images.vocus.cc/13664019-ef02-4619-a61a-eb7a8295c68d.png" data-lowquality="false" data-width="637" data-height="601" 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%2Ff3cfed65-3041-46ea-b6c6-3ca6472f6071.png&amp;width=637&amp;sign=CGqCiAS_58tvXgioFviTvgfXsl9gR1HxMAzHrtCHTWg" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2Ff3cfed65-3041-46ea-b6c6-3ca6472f6071.png&amp;width=637&amp;sign=CGqCiAS_58tvXgioFviTvgfXsl9gR1HxMAzHrtCHTWg" data-loaded="true" data-original-src="https://images.vocus.cc/f3cfed65-3041-46ea-b6c6-3ca6472f6071.png" data-lowquality="false" data-width="637" data-height="431" 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"><br></p><p class="lexical__paragraph" dir="ltr"><br></p>