数学符号的基本读法: + plus加号,正号; - minus减号,负号; × is multiplied by乘号; ÷ is divided by除号; = is equal to等于号; ≠ is not equal to不等于号; < is="" less=""> > is greater than大于号; ≤ is less than or equal to小于等于号; ≥ is more than or equal to大于等于号; ≈ approximately equal/is approximately equal to 约等; % percent 百分之…; ‰ per mill 千分之…; ∞ infinity 无限大号; π pi 圆周率; △ triangle 三角形; ⊥ perpendicular to垂直于; ∥ be parallel to 平行于; ∵ because/since 因为; ∴ therefore/so/hence 所以 长图 |
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