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1. 排列方式

1. ### what is rational number and what is irrational number?

RATIONAL : In mathematics, a rational number (commonly called a fraction) is a ratio... form. The decimal expansion of a rational number is eventually ...

2. ### real number??

Q: real number係咩呀? rational / irrational number? integer? 佢地又係咩呀? 仲有冇其他既...和一個非零整數 b 的比, 寫作 a/b. 有理數的小數部分有限或為循環 ...

分類：科學及數學 > 數學 2008年01月05日

3. ### On Number System

...元數﹐十六元數。R3是沒有的。clifford algebraist 將這些數叫做 hypercomplex number (若果有的話) 先說說 hypercomplex number 的性質 The general form of... ...

分類：科學及數學 > 數學 2009年03月08日

4. ### oxidation number

Oxidation number: To show the condition that the atom carries how...there is no net charge in an element, thus the oxidation number of Mg is zero. (Mg: ...

分類：科學及數學 > 化學 2010年05月18日

5. ### Irrational number

... the proving that π is an irrational number, please refer to the following web page. It...m2 = (n√2)2 = 2n2. So m2 is an even number, because it is ...

分類：科學及數學 > 數學 2007年10月01日

... due to technical restrictions. e is the unique number such that the value of the derivative (slope of a tangent line) of f (x)=ex (blue curve...

分類：科學及數學 > 數學 2007年02月09日

7. ### what is the infinite number?

...where it is treated as if it were a number (i.e., it counts or measures ... as part of the extended real number line Infinity is not a real number... ...

...), also called the Avogadro number is the number of &quot;entities...to any substance. It corresponds to the number of atoms or molecules needed ...

分類：科學及數學 > 化學 2007年09月26日

9. ### number pattern

7, 14, 21, 28 =1(7), 2(7), 3(7), 4(7) =7n *n= number of terms because thr first number is one time 7, the...

分類：科學及數學 > 數學 2007年02月02日

10. ### Maths - digit number

...be x, then the tens digit is x+2. The value of the two-digit number is : 10(x+2) + x = 11x + 20 The product of the digits is...

分類：科學及數學 > 數學 2009年01月22日