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x2+3ai+jx^{2+3} \\ a_{i+j} x2+3ai+j 这是一个公式 x2+3ai+j x^{2+3} \\ a_{i+j} x2+3ai+j 哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈 1+2+3⏞6a,b,c⏟abc\overbrace{1+2+3}^{6} \\ \underbrace{a,b,c}_{abc}1+2+3 6 abca,b,c ∑i=13i2=1∗1+2∗2+3∗3+1∗1+2∗2+3∗3+1∗1+2∗2+3∗3=14\sum_{i=1}^{3} i^2 = 1*1+2*2+3*3+1*1+2*2+3*3+1*1+2*2+3*3=14 i=1∑3 i2=1∗1+2∗2+3∗3+1∗1+2∗2+3∗3+1∗1+2∗2+3∗3=14 1,2,34,5,67,8,9\begin{matrix} 1,2,3 \\ 4,5,6 \\ 7,8,9 \end{matrix} 1,2,34,5,67,8,9 [1,2,34,5,67,8,9]\begin{bmatrix} 1,2,3 \\ 4,5,6 \\ 7,8,9 \end{bmatrix} 1,2,34,5,67,8,9 ∣1,2,34,5,67,8,9∣ \begin{vmatrix} 1,2,3 \\ 4,5,6 \\ 7,8,9 \end{vmatrix} 1,2,34,5,67,8,9 (1,2,34,5,67,8,9) \begin{pmatrix} 1,2,3 \\ 4,5,6 \\ 7,8,9 \end{pmatrix} 1,2,34,5,67,8,9 F(n)={0,n=11,n=2F(n−1)+F(n−2),n>2\begin{equation*} F(n) = \begin{cases} 0 ,& n=1 \\ 1 ,& n=2 \\ F(n-1) + F(n-2) ,& n>2 \end{cases} \end{equation*} F(n)=⎩⎨⎧ 0,1,F(n−1)+F(n−2), n=1n=2n>2 F(n)={0,n=11,n=2F(n−1)+F(n−2)+F(n−1)+F(n−2)+F(n−1)+F(n−2)+F(n−1)+F(n−2),n>2\begin{equation*} F(n) = \begin{cases} 0 ,& n=1 \\ 1 ,& n=2 \\ F(n-1) + F(n-2) + F(n-1) + F(n-2) + F(n-1) + F(n-2) + F(n-1) + F(n-2) ,& n>2 \end{cases} \end{equation*}F(n)=⎩⎨⎧ 0,1,F(n−1)+F(n−2)+F(n−1)+F(n−2)+F(n−1)+F(n−2)+F(n−1)+F(n−2), n=1n=2n>2

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和平 最强 & $ <style> body { background: linear-gradient(180deg, #A1C4FD, #C2E9FB, #FBC2EB, #FF9A9E); } .asdf{ width: 100%; height: auto; display: flex; flex-direction: column; align-items: center; vertical-align: center; //background-color: red; } .card { width: 350px; padding: 20px; border-radius: 12px; background-color: #f7f7f9; /* 淡淡的灰白色卡片背景 */ box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); color: #555; /* 中性灰色文本 */ text-align: center; } .card h3 { line-height: 60px; // margin-bottom: 10px; font-size: 22px; color: #333; /* 深灰色标题 */ } .card p { margin-bottom: 20px; font-size: 16px; line-height: 1.6; padding: 0 20px } .card button { padding: 10px 20px; background-color: #aacfd0; /* 柔和的青绿色按钮 */ border: none; border-radius: 6px; color: white; font-size: 16px; cursor: pointer; transition: background-color 0.3s ease; margin-bottom: 30px; } .card button:hover { background-color: #88b8b9; /* 悬停时稍微加深颜色 */ }.inlinea{ text-decoration: none; color: #fff; } </style> </html> <div class="asdf"> <div class="card"> <h3 id="title2">Welcome</h3> <p>Follow me please! <br>点击下方按钮关注我！</p> <button><a href="https://www.acgo.cn/person/929871" class="inlinea" style="color: white">Get Started</a></button> </div> </div> </html> <script> var k = document.getElementById("title2"); k.addEventListener("click", function(){ window.alert("被你发现了！"); }) </script> $

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∫−∞+∞e−x2dx=π\int_{-\infty}^{+\infty} e^{-x^2} dx = \sqrt{\pi} ∫−∞+∞ e−x2dx=π { utt(x,t)=b(t)△u(x,t−4) −q(x,t)f[u(x,t−3)]+te−tsin⁡2x,t≠tk; u(x,tk+)−u(x,tk−)=cku(x,tk),k=1,2,3…; ut(x,tk+)−ut(x,tk−)=ckut(x,tk),k=1,2,3… .\begin{cases} \ u_{tt}(x,t)= b(t)\triangle u(x,t-4)&\\ \ \hspace{42pt}- q(x,t)f[u(x,t-3)]+te^{-t}\sin^2 x, & t \neq t_k; \\ \ u(x,t_k^+) - u(x,t_k^-) = c_k u(x,t_k), & k=1,2,3\ldots ;\\ \ u_{t}(x,t_k^+) - u_{t}(x,t_k^-) =c_k u_{t}(x,t_k), & k=1,2,3\ldots\ . \end{cases} ⎩⎨⎧  utt (x,t)=b(t)△u(x,t−4) −q(x,t)f[u(x,t−3)]+te−tsin2x, u(x,tk+ )−u(x,tk− )=ck u(x,tk ), ut (x,tk+ )−ut (x,tk− )=ck ut (x,tk ), t=tk ;k=1,2,3…;k=1,2,3… . α\alphaα ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ > 这是一个引用。 E=mc2E = mc^2E=mc2 E=mc2E = mc^2 E=mc2 [removed]123[removed][removed]123[removed][removed]123[removed] $ body { background: linear-gradient(180deg, #A1C4FD, #C2E9FB, #FBC2EB, #FF9A9E); } .asdf{ width: 100%; height: auto; display: flex; flex-direction: column; align-items: center; vertical-align: center; //background-color: red; } .card { width: 350px; padding: 20px; border-radius: 12px; background-color: #f7f7f9; /* 淡淡的灰白色卡片背景 / box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); color: #555; / 中性灰色文本 / text-align: center; } .card h3 { line-height: 60px; // margin-bottom: 10px; font-size: 22px; color: #333; / 深灰色标题 / } .card p { margin-bottom: 20px; font-size: 16px; line-height: 1.6; padding: 0 20px } .card button { padding: 10px 20px; background-color: #aacfd0; / 柔和的青绿色按钮 / border: none; border-radius: 6px; color: white; font-size: 16px; cursor: pointer; transition: background-color 0.3s ease; margin-bottom: 30px; } .card button:hover { background-color: #88b8b9; / 悬停时稍微加深颜色 */ }.inlinea{ text-decoration: none; color: #fff; } $

<div>12333</div> $ WELCOME Follow me please! 点击下方按钮关注我！ Get Started $ $ WELCOME Follow me please! 点击下方按钮关注我！ Get Started $

<div> <style> body { background: linear-gradient(180deg, #A1C4FD, #C2E9FB, #FBC2EB, #FF9A9E); } .asdf{ width: 100%; height: auto; display: flex; flex-direction: column; align-items: center; vertical-align: center; //background-color: red; } .card { width: 350px; padding: 20px; border-radius: 12px; background-color: #f7f7f9; /* 淡淡的灰白色卡片背景 / box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); color: #555; / 中性灰色文本 / text-align: center; } .card h3 { line-height: 60px; // margin-bottom: 10px; font-size: 22px; color: #333; / 深灰色标题 / } .card p { margin-bottom: 20px; font-size: 16px; line-height: 1.6; padding: 0 20px } .card button { padding: 10px 20px; background-color: #aacfd0; / 柔和的青绿色按钮 / border: none; border-radius: 6px; color: white; font-size: 16px; cursor: pointer; transition: background-color 0.3s ease; margin-bottom: 30px; } .card button:hover { background-color: #88b8b9; / 悬停时稍微加深颜色 */ }.inlinea{ text-decoration: none; color: #fff; } </style> </p><div class="asdf"> <div class="card"> <h3 id="title2">Welcome</h3> <p>Follow me please! <br>点击下方按钮关注我！</p> <button><a href="https://www.acgo.cn/person/929871" class="inlinea" style="color: white">Get Started</a></button> </div> </div> <script> var k = document.getElementById("title2"); k.addEventListener("click", function(){ window.alert("被你发现了！"); }) </script> <p></p> </div>

<style> body { background: linear-gradient(180deg, #A1C4FD, #C2E9FB, #FBC2EB, #FF9A9E); } .asdf{ width: 100%; height: auto; display: flex; flex-direction: column; align-items: center; vertical-align: center; //background-color: red; } .card { width: 350px; padding: 20px; border-radius: 12px; background-color: #f7f7f9; /* 淡淡的灰白色卡片背景 / box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); color: #555; / 中性灰色文本 / text-align: center; } .card h3 { line-height: 60px; // margin-bottom: 10px; font-size: 22px; color: #333; / 深灰色标题 / } .card p { margin-bottom: 20px; font-size: 16px; line-height: 1.6; padding: 0 20px } .card button { padding: 10px 20px; background-color: #aacfd0; / 柔和的青绿色按钮 / border: none; border-radius: 6px; color: white; font-size: 16px; cursor: pointer; transition: background-color 0.3s ease; margin-bottom: 30px; } .card button:hover { background-color: #88b8b9; / 悬停时稍微加深颜色 */ }.inlinea{ text-decoration: none; color: #fff; } </style> </p><div class="asdf"> <div class="card"> <h3 id="title2">Welcome</h3> <p>Follow me please! <br>点击下方按钮关注我！</p> <button><a href="https://www.acgo.cn/person/929871" class="inlinea" style="color: white">Get Started</a></button> </div> </div> <script> var k = document.getElementById("title2"); k.addEventListener("click", function(){ window.alert("被你发现了！"); }) </script>

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