英文标点符号表达汇总
+ plus 加号;正号 - minus 减号;负号 plus or minus 正负号 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 equivalent to 全等于号 ≌ is equal to or approximately equal to 等于或约等于号 is approximately equal to 约等于号 is less than 小于号 is greater than 大于号 ≮ is not less than 不小