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timothyngyf

  • F5_聯立二元一次不等式

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  • F1_Ch11.4_判定相似三角形

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    timothyngyf

  • F5__二元一次不等式

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    timothyngyf

  • F2_Ch11.2_三角學(邊長與角的關係)

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    timothyngyf

  • F2_Ch11.1_三角學(對鄰斜)

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    timothyngyf

  • F2_Ch11.1_三角學(對鄰斜)

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    timothyngyf

  • 量度與誤差2018

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    timothyngyf

  • Chord, Arc, Sector and Segment

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    timothyngyf

  • 弦,弧,扇形,弓形

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    timothyngyf

  • 量度與誤差

    Activity

    timothyngyf