一、精讲例题,抛砖引玉一个养鸡场一月份运出肉鸡13600只,二月份运出的肉鸡是一月份的2倍,三月份运出的比前两个月的总数少800只,三月份运出多少只分析:要求出三月份运出的肉鸡的数量,就需看三月和一、二月之间存在什么样的数量关系,从题目中可以看出,“三月份运出的比前两个月 First, explain the example, throw a brick to attract a chicken farm in January out of 13,600 broilers, broilers shipped in February is 2 times in January, shipped in March less than the total number of 800 in the first two months, in March How many shipments are analyzed: The number of broilers shipped out in March will depend on the quantitative relationship between March and January and February. It can be seen from the title that "the ratio of shipments from March is The first two months