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我们说,数学是一种语言,是认识世界必不可少的方法,运用数学知识去解决我们身边的问题,使数学更好地服务于我们的生活,这是我们学习数学必不能忽视的一项任务。新修订的九年义务教育数学课程标准明确规定:要使学生受到把实际问题抽象成数
We say that mathematics is a kind of language, an indispensable method of understanding the world, using mathematical knowledge to solve the problems around us and make mathematics serve our life better. This is an item that we can not ignore in mathematics study task. The newly revised nine-year compulsory education math curriculum standard clearly stipulates: to enable students to abstract the actual problem into a few