标题: 求助一道DS题 [打印本页] 作者: xphdp123 时间: 2010-4-18 12:18 标题: 求助一道DS题 Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How many of the animals are cows? 1 the farm has more than twice as many cows as it has pigs 2 the farm has more than 12 pigs