識數學既入~~急~!!!!!![10點]
回答 (3)
2008-01-07 10:07 pm
✔ 最佳答案
1. (80×1000)÷(4×40)乘1000的原因是把升換成mL.
單位：cm
2. (2.5×100×2×100×65)÷1000
單位：L
2(a). 2.5×2×(5÷100)
單位：立方米
2008-01-10 4:58 am
1.80x1000/(4x40x)
2.2.5x100x(2x100)x65
2a.2.5x100x(2x100)x5
2008-01-09 21:00:14 補充：
1. 80x1000/(4x40)2. 2.5x100x(2x100)x65/10002a.2.5x2x(5/100)These are right!
2.2.5x100x(2x100)x65
2a.2.5x100x(2x100)x5
2008-01-09 21:00:14 補充：
1. 80x1000/(4x40)2. 2.5x100x(2x100)x65/10002a.2.5x2x(5/100)These are right!
參考: me
2008-01-07 7:28 am
圖片參考：http://hk.yimg.com/i/icon/16/41.gif
2))) 2.5x2X65
圖片參考：http://hk.yimg.com/i/icon/16/11.gif
2(a)2.5x2X5
圖片參考：http://hk.yimg.com/i/icon/16/34.gif
參考: me
收錄日期: 2021-04-14 19:00:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080106000051KK05228