主要原因在于多数人对分数运算束手无策。
The main reason is that most people are useless at fractions.
这台计算机会完成大部分数字运算。
现在从1到10之间挑选两个数，包括小数和分数，然后随意进行加、减、乘、除运算。
T: Now pick two number between one and ten, including decimal numbers and fractions, then add, subtract, multiply or divide them as you like.
大部分数据库系统支持时间戳运算。
通过引入二进制分数及其相关运算，提出一种新的基于混沌映射的分组密码算法。
By introducing binary fraction and its related operations, a novel block cipher based on chaotic maps is proposed in this paper.
这里我们用到了乘法结合律也可以用消去律，本来这些运算律是对正整数乘法适用的，但对于有分数参加的乘法我们也规定适用。
Here we have used the associative law or the cancellation law for multiplication, which are satisfied for natural Numbers, now we assume they are satisfied with fraction Numbers.
在定义了正分数后可以定义有正分数参加的数的加法和乘法，并可以验证运算律。
After defined positive fraction Numbers, we might define addition and multiplication for positive fraction Numbers, and then we can also verify operation laws.
本文是在前人研究工作的基础上，进一步探究了先秦典籍中散在的数学知识，重点讨论了分数及其分数的运算。
In this paper, the mathematical know ledge in ancient codes and records was investigated on the base of the previous investigation, fraction and fraction operation were discussed emphatically.
数学概念测试是针对计算方法和几何、测量、分数、货币和数字运算。
The Math Concepts test deals with numeration and number systems, whole Numbers, geometry, measurement, fractions, currency, and number sentences.
有理数运算程序 设计内容：有理数是一个可以化为一个分数的数，例如2/3，533/920，-12/49都是有理数。
RATIONAL programming content: is a rational number can be reduced to a fraction of the number, say 2/3, 533/920, -12/49 are rational numbers.
有理数运算程序 设计内容：有理数是一个可以化为一个分数的数，例如2/3，533/920，-12/49都是有理数。
RATIONAL programming content: is a rational number can be reduced to a fraction of the number, say 2/3, 533/920, -12/49 are rational numbers.
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