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55 minutes ago · Capable of handling homework in math, chemistry, biology, physics, and more. Instant and Accurate. Provides immediate and precise solutions and guidance. Try ...
56 minutes ago · Spreading truth, knowledge, and awareness to the masses through Gematria.
32 minutes ago · Trong hệ tọa độ Oxyz O x y z , cho hai đường thẳng Δ1 Δ 1 và Δ2 Δ 2 có vectơ chỉ phương lần lượt là →u1=(a1;b1;c1) u 1 → = ( a 1 ; b 1 ; c 1 ) , →u2=(a2;b2;c2) ...
37 minutes ago · Study with Quizlet and memorize flashcards containing terms like A square has how many sides?, How much is 2 plus 2?, A rose is a what? and more. Government ( ...
41 minutes ago · 霍夫变换的实质就是对图像进行坐标变换，把平面坐标变换为参数坐标，使变换的结果更易识别和检测。 1）原理分析. 圆在直角坐标系中的数学表达式：R^2=(x-a)^2+(y-b)^ ...
58 minutes ago · 数学函数(这里只列出一些常用的) SELECT ABS(-8); /*绝对值*/ SELECT CEILING(9.4); /*向上取整*/ SELECT FLOOR(9.4); /*向下取整*/ SELECT RAND(); /*随机数, ...
42 minutes ago · double pow(double x, double y);, 计算出x的y次方, x的y次方. double sqrt(double x);, 计算出x的平方根, x的平方根. double ceil(double x);, 计算大于x的最小整数, 大于 ...
56 minutes ago · 1 x y 表示删除这颗树上 x x x节点与 y y y节点连的一条边。 · 2 x y 查询此时树上 x x x点与 y y y点的最近公共祖先。 其中 q ≤ 2 ∗ 1 0 4 , n ≤ 1000 q \le 2*10^4,n \le ...
59 minutes ago · 支撑压力线本公式可以添加到任意自用主图中,作为辅助看盘之用, 自动划线公式,使用了未来函数,介意的不要下载!!! 公式可以自动画出近期和中期支撑线和压力线,盘感会更好!