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.
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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