最近,我听妈妈说每天我还在甜蜜的睡梦中,外婆就起床外出了,说是跟几个老奶奶和老爷爷去早市排队买鸡蛋。起那么早能省几个钱啊,我想不通。可妈妈不这么看:“外婆每天去排队可以买到5千克鸡蛋,1千克鸡蛋早市的价格是3.80元,市场的价格是4.50元。你想想,外婆排8天队,可以节省多少钱?”“这太简单了!”我自信地说:“市场价减去早市价就是每千克节省的钱,再 Recently, I heard my mom said that every day I was still sweet asleep, my grandmother got up and went out, saying that I was going to the morning market with several grandma and grandpa to queue up for eggs. I can not figure out how many money I can save so early. But my mother does not think so: ”Grandma to line up every day to buy 5 kg eggs, 1 kg egg morning market price is 3.80 yuan, the market price is 4.50 yuan. You think about grandma row 8 days team, you can save much Money? “” This is too simple! “I confidently say: ” Market price minus the morning market price is saved per kilogram of money, and then