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怎么读英语
"+-"等数学符号用英语怎么读。
符号的英文读法period 句号≈ is approximately equal to 约等于号, comma 逗号< is less than 小于号: colon 冒号> is more than 大于号; semicolon 分号 B≮ is not less than 不小于号。 exclamation 惊叹号≯ is not more than 不大于号。 question mark 问号≤ is less than or equal to 小于或等于号≥ is more than or equal to 大于或等于号" apostrophe 省略号;所有格符号% per cent 百分之…- dash 破折号‰ per mill 千分之…" " single quotation marks 单引号∞ infinity 无限大号double quotation marks 双引号∝ varies as 与…成比例( ) parentheses 圆括号√ (square) root 平方根[ ] square brackets 方括号∵ since; because 因为《 》 French quotes 法文引号;书名号∴ hence 所以... ellipsis 省略号∷ equals, as (proportion) 等于,成比例¨ tandem colon 双点号 ∠ angle 角ditto 双点号⌒ semicircle 半圆‖ parallel 双线号⊙ circle 圆/ virgule 斜线号○ circumference 圆周& ampersand = andπ pi 圆周率~ swung dash 代字号△ triangle 三角形§ section; division 分节号⊥ perpendicular to 垂直于→ arrow 箭号;参见号∪ union of 并,合集+ plus 加号;正号∩ intersection of 交,通集- minus 减号;负号∫ the integral of …的积分± plus or minus 正负号( ∑ sigma) summation of 总和× is multiplied by 乘号° degree 度÷ is divided by 除号′ minute 分= is equal to 等于号″ second 秒≠ is not equal to 不等于号# number …号≡ is equivalent to 全等于号℃ Celsius system 摄氏度≌ is equal to or approximately equal to 等于或约等于号@ at 单价。

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