英文标点符号 Punctuation
摘要:
+ 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 ... 阅读全文
posted @ 2007-11-08 23:33 爱你一万年123 阅读(825) 评论(0) 推荐(0)
posted @ 2007-11-08 23:33 爱你一万年123 阅读(825) 评论(0) 推荐(0)