数学符号的具体意义
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符号(Symbol) 意义(Meaning)
= 等于 is equal to
≠ 不等于 is not equal to
大于 is greater than
|| 平行 is parallel to
≥ 大于等于 is greater than or equal to
≤ 小于等于 is less than or equal to
≡ 恒等于或同余
π 圆周率
|x| 绝对值 absolute value of X
∽ 相似 is similar to
≌ 全等 is equal to(especially for triangle ) >> 远远大于号
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