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到今天我才发现原来数学一直藏在我们的生活中，只要仔细观察你一定会发现很有趣知识。 数学老师布置了一个很奇怪的作业，让同学们亲自到菜场走一走。 我一跑回家就气喘吁吁地对妈妈说：“妈妈…今天你休息！我到菜场买菜！”妈妈开心地说：“什么时候我家的小公子也会帮妈妈干活了？”。当然她还是放心地让我一个人去。 来到菜场，不知道怎么的，我就开始心慌了。毕竟这是我第一次自己来菜场买菜，总是担心挑不好菜。 不过一会儿我就平了心中的不安，我是个男子汉怎么能被小小的菜吓到呢？为了能买到最实惠的最新鲜的蔬菜我问了好几家菜摊。终于，我在一个菜摊前停了下来，只见菜摊上的青菜还带着小水珠，看样子是刚刚从菜地上摘的。摊主是一位长相和蔼的老伯伯。我问了青菜的价格，经过一番讨价还价，我把价格从七角一斤压到六角一斤，我挑选了几株小一点的，嫩一点的青菜放到袋子中。 But after a while, I was calm. How can I be frightened by a small dish when I am a man? In order to buy the most affordable and fresh vegetables, I asked several vegetable stalls. Finally, I stopped in front of a vegetable stall. I saw that the vegetables on the stall were still carrying small water drops. It seemed that they had just been picked from the vegetable field. The stall owner is a kind-hearted old uncle. I asked about the price of green vegetables. After some bargaining, I pressed the price from 7kg to 6kg. I selected a few smaller and tender green vegetables and put them in the bag. | 
