今天是π的节日。圆周率π是我们最常见的无理数之一，也是至今为止很多数学家仍然努力在解的一个数字。
Today is Pi Day. Pi, the mathematical constant representing the ratio of a circle's circumference to its diameter, is one of the most common irrational numbers and still an ongoing challenge for many mathematicians.
在这几千年里，无论是数学还是科学，几何还是三角函数，微积分还是统计，还有很多领域都会需要使用π。Pi Day 这一天，世界各地都会有各种关于π的活动和比赛，大家也会借着这一天来分享Pie圆形馅饼。
Throughout thousands of years, pi has been used in geometry, trigonometry, calculus, statistics, and many other fields of study. On Pi Day, there are various activities and contests around the world related to pi, and people also share circular pies to celebrate the occasion.
借着π day这一天，国际教学部数学教研组要举办SNA首届魔方比赛啦！
On this Pi Day, the SNA Math department is announcing our first Rubik's Cube competition!
用手指转动，让思维飞跃，让你的大脑运转起来，挑战最复杂的魔方拼图。
本次比赛包含三阶，四阶，五阶魔方，还有额外惊喜挑战哦！
Rotate with your fingers, let your mind soar, make your brain work and challenge the most complex Rubik's Cube puzzle. This competition includes the 3x3, 4x4, and 5x5 Rubik's Cubes, with some additional surprise challenges!
魔方起源
History of Rubik's Cube
魔方起源是一个有争议的话题，有多种理论和传说。
The origin of the Rubik's Cube is a controversial topic with various theories and legends.
起源于中国：一种说法认为魔方最早起源于中国，最早出现在唐代（618年至907年）的《太和正音集》中。
Originated in China: One theory suggests that the Rubik's Cube originated in China and was first mentioned in the “Taiping Guangji”, a Chinese encyclopedia, during the Tang Dynasty (618-907 AD).
起源于印度：另一种说法认为魔方起源于印度，最早的魔方是由一位叫做Sarpanit Ram的人发明的。
Originated in India: Another theory claims that the Rubik's Cube was invented by a person named Sarpanit Ram in India.
起源于匈牙利：还有一种说法认为魔方最早由匈牙利人Erno Rubik发明。在1970年代末期，Rubik创造了魔方作为一个三维拼图，用于他的建筑课程。
Originated in Hungary: A third theory states that the Rubik's Cube was first invented by a Hungarian named Erno Rubik. In the late 1970s, Rubik created the Cube as a three-dimensional puzzle for his architecture course.
1979年9月，Ideal Toys公司将魔方带至全世界，将魔方的名称改为Rubik's Cube。
In September 1979, Ideal Toys brought the Cube to the world and renamed it the Rubik's Cube.
常见魔方
Regular Rubik's Cube
魔方是由27个小正方体组成的立方体，每个小正方体有不同的颜色。玩家需要通过转动魔方的六个面，将所有小正方体重新排列组合，使每个面的九个小正方体都是同一种颜色。
The Rubik's Cube is a cube made up of 27 small cubes, each with a different color. Players need to rotate the Cube's six faces to rearrange and combine all the small cubes so that each face has nine small cubes of the same color.
魔方赛事
Rubik's Cube Competitions
WCA 世界魔方协会公布的世界纪录和中国纪录
World records and Chinese records published by the WCA (World Cube Association)
亚洲魔方锦标赛
Asian Rubik's Cube Championships
首届
SNA Rubik’s Cube Competition
当你看到魔方时，它看起来似乎是一个简单的三维拼图。但当你开始玩它时，你会发现自己陷入了一个充满挑战和智力的世界。你需要在有限的步骤内将六个面上的颜色匹配起来。在这个过程中，你需要用到逻辑思考、空间想象和手眼协调能力。
When you first see the Rubik's Cube, it may seem like a simple three-dimensional puzzle. But once you start playing it, you will find yourself in a world full of challenges and mental stimulation. You need to match the colors on all six faces in a limited number of moves, using logic, spatial imagination, and hand-eye coordination
魔方看似简单，但要想完美地解决魔方是相当具有挑战性的，需要玩家具备良好的逻辑思维和手指协调能力。许多专业玩家能在几秒钟内解决魔方，这项技能已经发展成为一项竞技运动。
Solving the Rubik's Cube perfectly is quite challenging, requiring players to have good logical thinking and finger coordination. Many professional players can solve the Rubik's Cube in just a few seconds, and this skill has developed into a competitive sport.
除了挑战自我和锻炼大脑的能力，魔方也具有很高的娱乐性，适合所有年龄段的人们玩耍。无论是在家中放松，还是在学校等地方杀时间，魔方都是一款不可错过的游戏。
In addition to challenging yourself and exercising your brain, the Rubik's Cube is also highly entertaining and suitable for people of all ages. Whether you want to relax at home or kill time at school, the Rubik's Cube is a game you cannot miss.