PTT職涯區 / GRE (GRE入學考試)

[計量] 請教一題數學

看板GRE (GRE入學考試)作者 (miste)時間18年前 (2008/05/15 00:36), 編輯推噓2(2推 0噓 2→)
留言4則, 3人參與, 最新討論串3/21 (看更多)
Three solid cubes of lead, each with edges 10 centimeters long, are melted together in a level, rectangular-shaped pan. The base of the pan has inside dimensions of 20 centimeters by 30 centimeters, and the pan is 15 centimeters deep. If the volume of the solid lead is approximately the same as the volume of the molted lead, approximately how many centimeters deep is the melted lead in the pan? (A) 2.5 (B) 3 (C) 5 (D) 7.5 (E) 9 Ans.(C) 有點不太清楚意思 請高手指點 感謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 202.132.194.102 ※ 編輯: miste 來自: 202.132.194.102 (05/15 00:36)
推
05/15 00:43, , 1F
20 * 30 * X = 3 (10 * 10 * 10)
05/15 00:43, 1F
→
05/15 00:43, , 2F
長 , 寬 , 高
05/15 00:43, 2F
→
05/15 01:31, , 3F
懂了 謝謝
05/15 01:31, 3F
推
05/15 12:42, , 4F
15 cm是沒用的資訊.....
05/15 12:42, 4F
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文章代碼(AID): #18AnK1ZK (GRE)