N-8-6-S03_了解等比數列，公比為r，第n項的公式為an=a1rn-1。 | 合作夥伴 | 均一教育平台

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N-8-6-S03_了解等比數列，公比為r，第n項的公式為an=a1rn-1。

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N-8-6-S03_了解等比數列，公比為r，第n項的公式為an=a1rn-1。