
What is 5/4 of 20? - Visual Fractions
Learn how to calculate what 5/4 of 20 is with a simple, step-by-step guide to find the fraction of any number.
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在线计算器 - 码工具
1、计算器可进行加(+)、减(-)、乘(×)、除(÷)等简单算术计算; 2、还可以进行根号开方(√)、圆周率(π)、倒数(1/x)正弦(Sin)余弦(COS)等复杂数学公式计算。
如果1=5,2=10,3=15,4=20,那么5=? - 百度知道
现在,你一定为你刚才上的当愤愤不平,并且怀疑这题是否符合逻辑,因为按规律来说5=20是你所推出来的答案,但是按照第一个条件来推断,5=1又依然成立。
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Free math problem solver answers your algebra homework questions with step-by-step explanations.
4-20mA是什么?简单易懂 - 知乎 - 知乎专栏
常取2mA作为断线报警值。有两个原因。一个原因是为了避免干扰,另一个原因是在4-20mA使用的是两线制,即两根线即是信号线,同时也是电源线,而4mA是为了给传感器提供电路的静态工作电流用。 这个4-20mA控制回路是怎么工作的呢? 4-20mA构成基础要件: 24V电源 ...
20÷5=4表示20里面有4个5还是20里面有5个4 - 百度知道
2017年8月20日 · 20÷5=4表示把20平均分成5份,每份是4. 还表示20里面有4个5.
5(20) A和10(40) A电表有什么区别? - 百度知道
2023年11月10日 · 5(20) a和10(40) a电表有什么区别? 1,基本电流(标定电流)不同:括号外的电流即为基本电流,5(20)A的基本电流是5A,10(40)A的基本电流是10A,10(40)A的要比5(20)A的大一倍。
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