數學高手請來解釋國中數學問題14題感恩 - 事業
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By Annie
at 2011-06-23T00:00
at 2011-06-23T00:00
Table of Contents
SARS冠狀病毒長度20奈米1.1奈米是十億分之一米此病毒長度等於幾公分?A:2×10-6木星距太陽7.8×108光在真空中每秒走3×105一光年表示在真空中一年走的距離2木星距太陽約多少光年?A:8.24×10-47.8×108÷(9.4608×10)12=?3一座橋不知其寬若有數根圓木材順流由橋下流過已知長16CM圓木材通過橋下需12秒長28CM圓木材需18秒
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By Victoria
at 2011-06-24T00:12
at 2011-06-24T00:12
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at 2011-06-27T03:42
at 2011-06-27T03:42
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By Rachel
at 2011-06-25T15:28
at 2011-06-25T15:28
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