Physics
Senior High
Resolved
第二題是這樣解嗎?
有沒有什麼方法看到就會寫?
數據日
1)3公克= 3000 毫克=
2)鐵的密度為7.8公克/公分=
291000公斤。
0708080公斤/公尺
28 g
7.8x1
1cm³
6.
10 1× 10
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