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Mean: IM 6.8.9

作者：GeoGebra Classroom Activities, IM 6 – 8 Math

主題：平均數, 統計

“Mean” from IM Grade 6 by Open Up Resources and Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 license.

目錄

IM 6.8.9 Lesson: Mean

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