本文借几则中考数学题谈点“经营学”,以引起初一同学将数学用于经营的兴趣. 例1 某蔬菜商店有100千克某种蔬菜,上午按每千克1.2元的价格售出50千克,中午按每千克1元的价格售出30千克,下午按每千克0.8元的价格售出剩余的20千克,那么这批蔬菜售出的平均价格为每千克__元. This article borrows a few of the math problems in the entrance examination to talk about “business schooling” to encourage students to use mathematics for business interests in the first year. Example 1 A vegetable store has 100 kg of certain vegetables sold in the morning at a price of 1.2 yuan per kilogram. In kilograms, 30 kilograms were sold at a price of 1 yuan per kilogram at noon, and the remaining 20 kilograms were sold at a price of 0.8 yuan per kilogram in the afternoon. The average price of these vegetables sold was __yuan per kilogram.