有关比的知识概念

  • 时间:2020-04-17 11:50:57
  • 分类:数学世界
  • 阅读:147 次

有关比的知识概念:(1)什么是比?两个数相除又叫两个数的比。(2)什么是比的前项?比号前面的数叫比的前项。(3)什么是比的后项?比号后面的数叫比的后项。(4)什么是比值?比的前项除以后项所得的商叫比值。(5)什么是比的基本性质?比的前项和后项同时乘以或者同时除以相同的数(0 除外)比值不变,这叫比的基本性质。

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