識數學既入~~急~!!!!!![10點]

2008-01-07 7:19 am
我要條式就得!! 1.把水80升注入長4cm,闊40cm,高80cm的水族箱裹.水的高度是多少??

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!
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


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