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By: t1917, Views: 1099

Find the sum of first n terms of arithmetic sequences.

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By: t1917, Views: 985

重溫數列及等差數列

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By: t1917, Views: 897

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: 907

利用公式求等差數列的首n項之和。

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By: t1110, Views: 707

4S Maths Topic 18 Permutation and Combination_3

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By: t1110, Views: 709

4S Maths Topic 19 Probabilities_1

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By: t1110, Views: 716

4S Maths Topic 18 Permutation and Combination_1

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By: t1110, Views: 929

4S Maths Topic 18 Permutation and Combination_2

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By: t1110, Views: 774

4S Maths Topic 19 Probabilities_2

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