• 2021-04-14 问题

    祖冲之是中国古代有名的天文学家。 Zu Chongzhi was a famous ________ of the ancient China.

    祖冲之是中国古代有名的天文学家。 Zu Chongzhi was a famous ________ of the ancient China.

  • 2022-06-06 问题

    The mathematician who invented circle cutting technique for Pi is . A: Hui Liu B: Chongzhi Zu C: Shang Gao D: Pythagoras

    The mathematician who invented circle cutting technique for Pi is . A: Hui Liu B: Chongzhi Zu C: Shang Gao D: Pythagoras

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