加,减,乘,除的英文...还有负数例如:-25中的"符号"应该怎么说.需要例句!要有翻译!

加,减,乘,除 - plus,minus,multiply,divide 这是动词
addition,deduction,multiplication,division 这是名词.
-25 英语是 minus 25
例子：
The plane is subjected to a temperature of minus 65 degrees in the air.
这架飞机天上飞行所遭受的气温是在零下65度.
The temperature is plus four degrees.
温度为零上四度.
A negative value is prefixed by a minus sign.
一个负数将以减号作为前缀.
Seven minus three equals four.
七减三等于四.
If you multiply four by five,the answer is twenty.
四乘以五,答案是二十.
Divide the cake into equal parts.
把蛋糕分成等份.
【英语牛人团】