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会考题

来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/05/06 16:18:27
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会考题
解题思路: (1)多求几项,发现规律; (2)构造三角形,利用勾股定理和余弦定理。
解题过程:
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最终答案:略