<p class="ql-block"><span style="color: rgb(237, 35, 8);">更多内容，请关注微信公众号：“成都数学王健平老师”。</span></p><p class="ql-block">高一上学期文章汇总：</p><p class="ql-block"><br></p><p class="ql-block">1、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485294&idx=1&sn=dc0475f79ffd94062b38939dfbae9816&chksm=cee5a471f9922d67a6ae378bc109411141cc30b6ac60b2fadc40d9ede4800aefc56130ae5879&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">集合高频易错点</a> </p><p class="ql-block"><br></p><p class="ql-block">2、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485370&idx=1&sn=9a50aeed9184ce618a3bddc4962b4350&chksm=cee5a4a5f9922db341a892358e6817f0181c8b23f3ffaf9c65c175fee7ade809a1b6ba62d02f&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">集合难题精选（一）</a> </p><p class="ql-block"><br></p><p class="ql-block">3、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485431&idx=1&sn=02d9efcd13b5277cbcc44a2b372d9177&chksm=cee5a4e8f9922dfe4fd1a315e4e98aee6c67532c3e4a95e7f238334233b2d83da3aa5e0df79f&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">集合新定义问题</a> </p><p class="ql-block"><br></p><p class="ql-block">4、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485335&idx=1&sn=6d0f26a0e17cdad34221986ec5cba360&chksm=cee5a488f9922d9eefd6887007b7b67fdffaa7080d080bfc019886eb4795ad75dc000ec56cdc&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">求抽象函数的定义域</a></p><p class="ql-block"><br></p><p class="ql-block">5、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485452&idx=1&sn=d231f15b91511c0cc8918f560e35f0f4&chksm=cee5ab13f992220518481aa0a974cd6cf995d3e68f1dd69ff31bd726590af0388e3fc6ee956f&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">多变量的恒成立问题与存在性问题（一）</a></p><p class="ql-block"><br></p><p class="ql-block">6、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485466&idx=1&sn=b2cda088ffcb85cec099e3ab24273927&chksm=cee5ab05f99222137dbe8613508d8a03113f62d56807fdf60e0972b4cec1c9af9d1457d0bd27&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">多变量的恒成立问题与存在性问题（二）</a></p><p class="ql-block"><br></p><p class="ql-block">7、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485479&idx=1&sn=b4f5a10eaa3e2d315e8df9eccc3df7bb&chksm=cee5ab38f992222ed2d5ac3b44de6560b593d1b1b34cb4dc85f874f73a1c1c984b58d0dde5f7&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">多变量的恒成立问题与存在性问题（三）</a></p><p class="ql-block"><br></p><p class="ql-block">8、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485498&idx=1&sn=c40540e2adf8337ed67a54cfc9f45762&chksm=cee5ab25f992223326ad1fb511395ee072124447abf4f6725e593de273dc5dbc75036cb7ca73&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">多变量的恒成立问题与存在性问题（四）</a></p><p class="ql-block"><br></p><p class="ql-block">9、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485515&idx=1&sn=38f046b5cebd3ccf0c680f8b05fae0bd&chksm=cee5ab54f992224294b3f7223b6197f02f51c3058b1dd1eca9d748ca0690cf0009faf6e4b1b5&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">“正难则反”----补集思想</a></p><p class="ql-block"><br></p><p class="ql-block">10、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485533&idx=1&sn=7fb0a20bd3c3eba9472c92e8868f0707&chksm=cee5ab42f99222544b1b18b5bb18900b8569b1004402bf6de70c1e0c6f4d61fb36dba3507bcb&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">高斯函数</a></p><p class="ql-block"><br></p><p class="ql-block">11、<a href="http://mp.weixin.qq.com/s?__biz=Mzg3MzExNzI5Ng==&mid=2247485548&idx=1&sn=85d59ee3083a09f8824a6c0bd2336ecc&chksm=cee5ab73f992226502691453597f5b64c58c6ad074cad02a2ebc64e3dc8152708784082d1657&scene=21#wechat_redirect" rel="noopener noreferrer" target="_blank">分段函数的单调性问题</a></p><p class="ql-block"><br></p> <h3>简析：观察到要求的函数值，自变量较大，需要从已知等式寻找化简的方向，通过对等式进行等价变形构造新函数，发现得到的新函数具有周期性，有利于缩小自变量。再结合f(x)是偶函数，故取一对互为相反数的自变量进行计算。</h3></br><h3> <h3>简析：对不等式的处理，将含有相同自变量的式子放到同一侧，构造新函数，得到新函数的单调性，考虑二次函数对称轴与区间的位置关系，列出不等式组。</h3></br><h3> <br></br></h3></br><h3>简析：由已知不等式，发现其与减函数第二定义结构高度一致，从而将</h3></br><h3>X2017f(x)看作一个整体构造出新函数，得出新函数的奇偶性与单调性，利用新函数解决问题。</h3></br><h3> <h3>简析：怎么想到对已知不等式的处理方法的？原因有二：</h3></br><h3>1、对不等式的处理，将相同自变量放到一起；</h3></br><h3>2、需要比较的a、b、c三个式子的结构。</h3></br><h3>构造新函数得出新函数的单调性与奇偶性，将自变量转化到同一单调区间之后，再比较自变量的大小即可。</h3></br><h3>比较三个自变量时运用中间量法即可。</h3></br><h3> 长按或扫描二维码关注公众号！</h3></br><h3> <a href="https://mp.weixin.qq.com/s/72T0atzB80RVqc4RdUbFBg" >查看原文</a> 原文转载自微信公众号,著作权归作者所有