打开App
360P
[高中数学]令人头秃的抽象函数问题，记得用赋值法
高一数学同步课堂16/127
![[高一数学同步课14]对数函数，永远的神](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/2a342c239a154ee082f421a9c4a7c246~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=XU1tfKZJwPUc6psJu2%2BX3lqv4QU%3D)
App25:41![[高中数学]令人头秃的抽象函数问题，记得用赋值法](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/14c72a0ef667458b9f823a4c716a51cd~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=ffXXG85dhAVAEWbguc9JqGMGvWY%3D)
App10:23![[高一数学同步课]秋季第1讲：集合考点汇总](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/8ab00d3ba27a42c9ad6b3e42d982eb8d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=aoKdxkrtHvktoP8qoZKZr%2FFU2Aw%3D)
App29:37![[高一数学同步课]秋季第2讲：一元二次不等式](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/3184d6ee85c443ceb0d0196bf2a6af45~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=GrGCSCM1ycrCLx%2B078Lq7W5kK5E%3D)
App24:56![[高一数学同步课]秋季第3讲：集合与简易逻辑](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/cd07e7f7efb54ff2beee8ffca4e33783~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=OLcwDYkLlWZdSruWdHspFhTlukw%3D)
App17:23
App15:48
App14:31
App25:59![[高中数学]一节课学会函数的单调性](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/45c25aec796a4dd9a00a707118e7b024~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=5Mx3kW%2F46FJ%2BakynTAhJenTfvpY%3D)
App24:00![[高中数学]函数求值域，有哪些惊艳的方法？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/49443b3b48254c1594709cf0b18c6581~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=dStRy1B%2F%2BeabUP8ctxh6ccgNBLs%3D)
App18:25![[高中数学]函数有毒，此乃解药——f (x)](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/a28e84e755c047908b3e9e2dc48acd65~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=vl%2B6N1L0utb6oYJ5G1H0vaYtUck%3D)
App30:11![[高中数学]如何应对抽象函数？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/1aa251b5ff0d45f8a18910ebef3141c9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=3xijvMIl76vnmV3K1OKgg7ZaFXA%3D)
App22:51
App26:26![[高中数学]幂函数](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/7bf8f21649e340d9b43d39839258c846~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=xAXQHIB%2BIk19et%2FlK4JVJLM7ZGw%3D)
App19:39![学会指数函数、指数运算，就是这节课[高中数学]](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/ada65dfed8974d3e9fd6d5b3b89e954e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=f3HHNcd2cqNuV%2BxF6UOGfXTxpC0%3D)
App26:06![对数运算，一网打尽！[高中数学]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e87fb2a37cc141e4902f06711bb0a017~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=a4wOWfDe4oO7U1UR9luXyTE5HHQ%3D)
App17:36![对数的换底公式[高中数学]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/f594e56597cd4f819cca441260b839d4~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=9w0SHTMn7JUyicP5pSr69R8xlAw%3D)
App09:58![如果你中了“对数函数”的毒，这节课就是解药！[高中数学]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/99779c1f5f8c4a78b258adee4f80f084~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=Pgiplcr3SEhsAhvMvAPNjOlBQdw%3D)
App23:27![对数比大小，这道题妙极了！[高中数学]](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/cd88edabb0784693a366886f20127be5~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=xugg%2BMZu6hCE0Ngr5lY5FAVyh10%3D)
App12:25![[三角函数1]角的概念的推广——任意角](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/991b1e8859f74814bed3fba25c3b767d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=ET%2F9pwafO6QdalZLAWRe2BWcNwA%3D)
App20:02![[三角函数2]弧度制与角度制](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/93f0752316c844788d6913869d1cdd76~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=WG9unx6xJwBMybDqLLMvLyV9wQ4%3D)
App08:25
App19:42![三角函数线定义三角函数[三角函数3]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/6fa39351f1054e8a9f524adf5879fdd9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=3wMmb4iD5aoXJj2E7mj18nT7fBs%3D)
App15:35![刻骨铭心的数学口诀——三角函数诱导公式[高中数学]](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/5f0537d1d7ee4690ba27ebc6ce9e95ad~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=ytm2oBHN7koOeVvvvSTzlPiWDEo%3D)
App16:12![同角三角函数的关系[三角函数5]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/911a66de7a134cf7a902c54db8a59d1a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=Q9Ret8V8BGHLSNCOG6biBDHL9Eo%3D)
App14:56![[三角函数6]和角公式＆差角公式，三角恒等变换](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/eef21cb2acd443f8a1154f65eee2045f~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=qQvy7l5KTz%2FJpNA7Ir4UYyBksDY%3D)
App25:33
App23:27![正切函数的图像性质[三角函数7]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/b486a761469645949e2e652d89bc36eb~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=ddRjHTFLk%2FtMuNU4L0eMof4m5r4%3D)
App16:06
App10:23![三角函数的图像变换＆五点作图法[高中数学]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/cf2e0ad0e34c4716827e055bc7e100ba~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=FEMEXl3xM6Gks1inzRTo0knaflM%3D)
App29:04![[高一数学同步课1]平面向量的概念和运算(上集)](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9417a4d6ed964daaa42fb3ee8c54dbce~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202502041050174E795C467289E9CB71BE&requestFrom=704&version_code=80402&x-expires=1770173417&x-signature=FH2CAXTG%2Fm4%2BzjSQU0jbg4dlN2E%3D)
App39:56打开App观看
