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本书依据数学课程标准，内容与人教版小学数学五年级教材同步，为课时练习教辅资料，全书设题形式多样，充分激发学生的学习兴趣，通过练习让学生掌握更多的心算技巧和方法，提高学生快速、准确的心算能力。体现了实用性、针对性和有效性，具备同步性、创新性和培优性等鲜明特色。
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