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國二理化問題協助一下!(急
Sep 21st 2013, 23:38

1. 81.7833mm(測量結果)為硬幣的平均每個長度,若用的工具用的最小刻度為mm,是從8四捨五入到7?
2. 800公絲怎會算成公克? 是0.8000嗎?
3.講義上寫:「增加溶劑的量,會增加溶解量,但不增加溶解度」她所說的不增加溶解度,是指在100公克裡的水依然最多能溶解XX公克的溶質嗎?

請各位大大解決一下我的問題.這些問題我卡很久..謝謝

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