“数学忍者”提供乘除运算的练习。
早期的计算机只能做加减乘除运算。
Early computers did nothing but compute: adding subtracting multiplying and dividing.
早期的计算机只能做加减乘除运算。
Early computers did nothing but compute: adding, subtracting, multiplying, and dividing.
这个复杂运算过程的关键在于，这种乘除法混合物生成了一个纯粹的无因次数。
The point of this convoluted procedure is that this combination of multiplication and division produces a pure, dimensionless number.
其中包括前后加/减（i++、--foo）， 加减乘除赋值运算符（a+=3、b*=2、c/=2.2、d-=6.2）。
These include pre- and post-increment/decrement ( i++, --foo ), add/sub/mult/div assign operators ( a+=3, b*=2, c/=2.2, d-=6.2 ).
我仍然和数字们纠缠不清，它们抽象的外形比加减乘除的基础运算更为繁难。
I still tussle with my Numbers, not so much the basic operations-addition, subtraction, multiplication-as the more abstract configurations.
加 减乘除是最基本的运算法则。
Addition, subtraction, multiplication and division are all basic operations.
说明：用STL实现简单运算表达式，其中包括加减乘除等，以输入等号为结束标志。
Simple arithmetic expressions, including addition, subtraction, etc. , to enter an equal sign marks the end of the STL.
在自动控制仪表中，常常需要使用具有乘除法运算功能的元件。
In automatic control devices, electronic elements with a multiplying-dividing function are often required.
说明：小型科学计算器的功能的实现，也可以进行加减乘除等等的运算。
Small scientific calculator functions to achieve, you can also carry out arithmetic operations, etc.
一个小型的计算机功能，提供加减乘除的运算功能并提供小数点运算功能。
Function of a small computer to provide Math decimal point computing capabilities and provide operational capabilities.
一个小型的计算机功能，提供加减乘除的运算功能并提供小数点运算功能。
Function of a small computer to provide Math decimal point computing capabilities and provide operational capabilities.
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