英文标点符号单词集锦
在加拿大 + 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 approximat...华人论坛
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标点符号怎么读？
在加拿大 + 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...华人论坛