这个菜，可真不好买
<p>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。</p><p>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。</p><p>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。</p><p><span word="But">But</span> <span word="after">after</span> <span word="a">a</span> <span word="while">while</span>, <span word="I">I</span> <span word="was">was</span> <span word="calm">calm</span>. <span word="How">How</span> <span word="can">can</span> <span word="I">I</span> <span word="be">be</span> <span word="frightened">frightened</span> <span word="by">by</span> <span word="a">a</span> <span word="small">small</span> <span word="dish">dish</span> <span word="when">when</span> <span word="I">I</span> <span word="am">am</span> <span word="a">a</span> <span word="man">man</span>? <span word="In">In</span> <span word="order">order</span> <span word="to">to</span> <span word="buy">buy</span> <span word="the">the</span> <span word="most">most</span> <span word="affordable">affordable</span> <span word="and">and</span> <span word="fresh">fresh</span> <span word="vegetables">vegetables</span>, <span word="I">I</span> <span word="asked">asked</span> <span word="several">several</span> <span word="vegetable">vegetable</span> <span word="stalls">stalls</span>. <span word="Finally">Finally</span>, <span word="I">I</span> <span word="stopped">stopped</span> <span word="in">in</span> <span word="front">front</span> <span word="of">of</span> <span word="a">a</span> <span word="vegetable">vegetable</span> <span word="stall">stall</span>. <span word="I">I</span> <span word="saw">saw</span> <span word="that">that</span> <span word="the">the</span> <span word="vegetables">vegetables</span> <span word="on">on</span> <span word="the">the</span> <span word="stall">stall</span> <span word="were">were</span> <span word="still">still</span> <span word="carrying">carrying</span> <span word="small">small</span> <span word="water">water</span> <span word="drops">drops</span>. <span word="It">It</span> <span word="seemed">seemed</span> <span word="that">that</span> <span word="they">they</span> <span word="had">had</span> <span word="just">just</span> <span word="been">been</span> <span word="picked">picked</span> <span word="from">from</span> <span word="the">the</span> <span word="vegetable">vegetable</span> <span word="field">field</span>. <span word="The">The</span> <span word="stall">stall</span> <span word="owner">owner</span> <span word="is">is</span> <span word="a">a</span> <span word="kind">kind</span>-<span word="hearted">hearted</span> <span word="old">old</span> <span word="uncle">uncle</span>. <span word="I">I</span> <span word="asked">asked</span> <span word="about">about</span> <span word="the">the</span> <span word="price">price</span> <span word="of">of</span> <span word="green">green</span> <span word="vegetables">vegetables</span>. <span word="After">After</span> <span word="some">some</span> <span word="bargaining">bargaining</span>, <span word="I">I</span> <span word="pressed">pressed</span> <span word="the">the</span> <span word="price">price</span> <span word="from">from</span> 7<span word="kg">kg</span> <span word="to">to</span> 6<span word="kg">kg</span>. <span word="I">I</span> <span word="selected">selected</span> <span word="a">a</span> <span word="few">few</span> <span word="smaller">smaller</span> <span word="and">and</span> <span word="tender">tender</span> <span word="green">green</span> <span word="vegetables">vegetables</span> <span word="and">and</span> <span word="put">put</span> <span word="them">them</span> <span word="in">in</span> <span word="the">the</span> <span word="bag">bag</span>.</p>
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