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F1 數學 10.2.B: 同旁內角_2

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F1 數學 10.2.B: 同旁內角_1

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F1 數學 10.2.B: 內錯角_2

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F1 數學 10.2.B: 內錯角_1

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F1 數學 10.2.B: 同位角_2

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F1 數學 10.2.B: 同位角_1

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F1 數學 10.2A: 同旁內角

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F1 數學 10.2A: 內錯角

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