近几年来,我们从作业形式、内容入手,由原来学生被动完成老师设计的作业,变为引领学生自主设计各种作业。实践证明,这一作业设计方法,不但巩固了所学知识,激发了学习数学的兴趣,而且培养了学生的各种数学能力,使学生的综合素质 In recent years, we start from the form and content of work, from the original passive completion of the teacher’s homework assignments, to lead the students to independently design a variety of homework. Practice has proved that this method of job design, not only consolidated the knowledge they have learned, stimulate the interest of learning mathematics, but also cultivate the students a variety of mathematical skills so that the overall quality of students