There are currently 6 posts.
超正方体的体积计算公式
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Floor 1
218.88.141.*
3/18/11 22:03
V4=a^4
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Floor 2
218.88.141.*
3/18/11 22:06
1cm4=10000mm4(也就是1e4mm4)
1dm4=1e4cm4
1m4=1e4dm4
1hm4=(1e4)^2=1e8m4
1km4=1e12m4
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Floor 3
218.88.141.*
3/18/11 22:06
1四次方千米就是1000000000000四次方米!
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Floor 4
218.88.141.*
3/18/11 22:38
棱长是3dm的超正方体,体积是:
V4=3^4=81(dm4)
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Floor 5
116.233.112.*
4/19/11 21:18
二维我们说面积 三维我们说体积 那四维呢
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Floor 6
4Der
4/19/11 21:30
四维就是m4,dm4,cm4,进率为10000
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