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安裝中文字典英文字典辭典工具!
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- 4 - Wikipedia
In internet slang, "4" can replace the word "for" (as "four" and "for" are pronounced similarly) For example, messaging "4 u" instead of "for you" when talking to someone
- four - Definition, pictures, pronunciation and usage notes | Oxford . . .
Definition of four in Oxford Advanced Learner's Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more
- FOUR Definition Meaning - Merriam-Webster
The meaning of FOUR is a number that is one more than three How to use four in a sentence
- FOUR definition in American English | Collins English Dictionary
7 senses: 1 the cardinal number that is the sum of three and one 2 a numeral, 4, IV, etc, representing this number 3 Click for more definitions
- 4 (number) - New World Encyclopedia
Four is the second square number (a "square number" is an integer that can be written as the square of some other integer) and the second centered triangular number
- 4 - Wiktionary, the free dictionary
A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ४ (4)), a cursive form of four lines (to represent the number four) arranged in the shape of a cross (resembling +)
- Number 4 - Curious Math Facts and Interesting Properties
Explore the hidden properties of 4, an even semiprime number composed of a single prime number multiplied by itself Includes Prime Factorization, Divisors, Bases and Fun Facts for students, number lovers and curious minds
- 4 -- from Wolfram MathWorld
The smallest positive composite number and the first even perfect square Four is the smallest even number appearing in a Pythagorean triple: 3, 4, 5 In the numerology of the Pythagorean school, it was the number of justice The sacred tetraktýs (10) was the sum of the first four numbers, depicted as a triangle with two equal sides of length 4 4 is the highest degree for which an algebraic
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