英文数学应用题
问题描述：
英文数学应用题
Saida owned 125 shares of an oil company.One day,the value of each share dropped by $0.31.The next day,the value of each share rose by $0.18.What was the total change in the value of Saida's Shares.麻烦把SOLUTION写出来.THANK YOU
答
Saida拥有一个石油公司的股份125股.一天,每股降了$0.31.第二天,每股升了$0.18.Saida的股份总价值变化了多少?$0.31 - $0.18 = $0.13 The value of each share dropped by $0.13 after the 2 days' changes in price$0...为什么是0.31-0.18 他那里是DROP0.31 那么不是-0.31-0.18一个道理啊，我后面说明了是drop的值啊The value of each share dropped by $0.13 after the 2 days' changes in price降得多，降的减升的，就是降的升得多，升的减降的，就是升的