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“单元导语”会告诉本单元学习的主要内容；“单元作业目标”是明白单元作业的目标是什么，要重点掌握哪些概念、技能等；“单元内容结构”能清晰地知道本单元的内容分布及课时安排。
每个单元的“课时作业”和“单元复习”，以“我来练一练、我能做一做、我想试一试、我会理一理、我要攀一攀”五个版块举行安排。相信这套练习的学习，会让你的数学学习能力与水平迈向新的高度和水平。
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