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By: t1917, Views: 631

Find the sum of first n terms of arithmetic sequences.

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By: t1917, Views: 618

重溫數列及等差數列

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By: t1917, Views: 535

利用以下方式求等差數列的通項： 1. 考慮數列的模式 2. 用公式「T(n) = a + d(n-1)」

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By: t1917, Views: 565

利用公式求等差數列的首n項之和。

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By: t1917, Views: 646

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By: t1917, Views: 671

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By: t1917, Views: 646

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By: t1917, Views: 670

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By: t1917, Views: 625

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