标题: og数学题求解 [打印本页] 作者: luting0616 时间: 2014-8-6 22:37 标题: og数学题求解 a glass was filled with 10 ounce of water, and 0.01ounce of the water evaporated each day during a 20-day period. what percent of the original amount of the water evaporated during the period
没明白题目是什么意思 求助各位大神~~ 作者: kwok007 时间: 2014-8-7 00:42
一杯裝了10盎司的水，在20天的時間中，每天蒸發0.01盎司。問在這段時間，相當於原有水量百分之多少的水蒸發掉了。換句話說，是求蒸發的水佔原有水量（10盎司）的百分比。作者: luting0616 时间: 2014-8-7 21:13
