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高一数学（人教A版）-分层随机抽样

视频地址：https://video.cache.bdschool.cn/vd/d429e24cd3e35c34bdfc4ce65bf0edbb.mp4
附件：0618高一数学（人教A版）-分层随机抽样-1教案.docx
附件：0618高一数学（人教A版）-分层随机抽样-2PPT.pptx
附件：0618高一数学（人教A版）-分层随机抽样-3学习任务单.docx

16 views Jul 15, 2021

高一数学（人教A版）-用样本均值估计总体均值高一数学（人教A版）-总体取值规律的估计（一）

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