無理數)的意思、翻譯和例句

是什麼意思

「無理數」是指不能表示為兩個整數之比的數字,這些數字的十進制表示是無窮不循環的。無理數的例子包括平方根2(√2)、圓周率(π)和自然對數的底數(e)。這些數字在數學中是非常重要的,因為它們幫助我們理解數的連續性和無窮性。無理數的特性使得它們在數學分析、幾何學和數學物理等領域中具有廣泛的應用。

依照不同程度的英文解釋

  1. A number that cannot be made into a simple fraction.
  2. A number that goes on forever without repeating.
  3. A number that cannot be written as a fraction of two whole numbers.
  4. A number that cannot be expressed as a ratio of integers.
  5. A number with a decimal that never ends and never repeats.
  6. A number that cannot be represented as a simple fraction, often found in geometry.
  7. A non-terminating, non-repeating decimal that cannot be expressed as a quotient of integers.
  8. A type of number that is not rational, often used in advanced mathematics.
  9. A number that is not expressible as a fraction of two integers, crucial in various mathematical theories.
  10. A number that cannot be written as a fraction, including famous constants like pi.

相關英文單字或片語的差別與用法

1:Irrational number

用法:

在數學中,無理數是指不能表示為兩個整數之比的數字,這意味著它們的十進制表示是無窮且不循環的。這些數字的特性使它們在數學和科學中具有重要的應用,尤其是在幾何學和數學分析中。無理數的例子包括圓周率(π)及平方根2(√2)。

例句及翻譯:

例句 1:

圓周率是一個著名的無理數。

Pi is a famous irrational number.

例句 2:

數學家發現了許多無理數的性質。

Mathematicians have discovered many properties of irrational numbers.

例句 3:

無理數在數學中是非常重要的概念。

Irrational numbers are a very important concept in mathematics.

2:Non-rational number

用法:

這是一個更廣泛的術語,用於描述所有不可以表示為整數比的數字,包括無理數和其他類型的數字。這個術語強調了這類數字的非理性特徵,並且在討論數學理論時經常使用。

例句及翻譯:

例句 1:

所有無理數都是非理性數字,但不是所有非理性數字都是無理數。

All irrational numbers are non-rational numbers, but not all non-rational numbers are irrational.

例句 2:

非理性數字在數學中扮演著重要的角色。

Non-rational numbers play an important role in mathematics.

例句 3:

理解非理性數字的性質對於學習高級數學非常重要。

Understanding the properties of non-rational numbers is crucial for learning advanced mathematics.