機械題目求解

作者: andrewyu (安德魯)   2018-11-08 11:45:34
希望大師求解感激不盡
https://i.imgur.com/bqY1JtK.jpg
https://i.imgur.com/6tMG2Xv.jpg
作者: FTICR (FT-ICR)   2018-11-08 15:55:00
作業自己寫

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