2 - Wikipedia
网页2 (two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and the only even prime number. Because it forms the basis of a duality, it has religious and spiritual significance in many cultures.
2 Player Games - TwoPlayerGames.org
网页TwoPlayerGames.org is the very first 2 player games portal in the world and has the largest games archive in its field. We listed instant play to all games without downloads and the site does not host pop-up ads. Most of the games house HTML5 and WebGL and thus can be played on PCs, tablets, and mobile devices.
2 - 维基百科，自由的百科全书
网页英文當中數字2（two）音似to、too，常常以2代寫。 象棋、撲克牌有兩種顏色（黑與紅）。 西洋棋 [3] 、圍棋 [4] 有兩種顏色（黑與白）。 世界文學經典名著《雙城記》。 世界文學經典名著《乞丐王子》（故事內容主角是兩名長相一模一樣的小男孩）。
2 -- from Wolfram MathWorld
网页The number two (2) is the second positive integer and the first prime number. It is even, and is the only even prime (the primes other than 2 are called the odd primes). The number 2 is also equal to its factorial since 2!=2.
2 (number) - Simple English Wikipedia, the free encyclopedia
网页2 (Two; / ˈ t uː / ) is a number, numeral, and glyph. It is the number after 1 and the number before 3 . In Roman numerals, it is II.
2 PLAYER GAMES - Play Online for Free! - Poki
网页There's nothing more fun than playing games with friends online! We offer all sorts of two-player games including 1 v 1 Fighting Games, work together in two-player Co-op Games, play with 2 or more players in our Board Games, play Basketball, Soccer, Football and more in our Sports Games, or discover dozens of other
2（自然数之一）_百度百科
网页用“二”及“贰”的情况. 2(7张) 一般作 序数 时，应当用“二”（含省略“第”字的序数）。. 例：一二三四、二月二日、正月初二、二七大罢工、第二，二手（“‘第二手”的 略语）、二战（“‘ 第二次世界大战 ”的略语）、二锅头（“‘第二锅产”的略语 ...
Power of two - Wikipedia
网页A power of two is a number of the form 2 n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent. Powers of two with non-negative exponents are integers: 2 0 = 1, 2 1 = 2, and 2 n is two multiplied by itself n times. [1] [2] The first ten powers of 2 for non-negative values of n are:
Superscript Two Symbol (²)
网页The ‘²’ (superscript two) symbol is used in mathematics to denote the square of a number or variable. It also represents the second derivative in calculus when used as a notation for differentiation. For example: x2. This signifies that the variable x is raised to the power of 2, which means x is multiplied by itself.
Square root of 2 - Wikipedia
网页The square root of 2 (approximately 1.4142) is the positive real number that, when multiplied by itself or squared, equals the number 2. It may be written in mathematics as or . It is an algebraic number, and therefore not a transcendental number.
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