In the figure above, segment RS and TU represent two positions of the same ladder leaning against the side SV of a wall. The length of TV is how much greater than the length of RV?
1) tHE LENGTH OF tu IS 10 meters
2) The length of RV is 5 meters作者: caicainiao 时间: 2010-4-26 15:32
图在书上，有人有印象吗作者: 小筑 时间: 2010-4-26 16:05
没有此书作者: shefff 时间: 2010-4-26 16:24
我只买了OG12作者: tianya 时间: 2010-4-26 17:51
数学做的不多
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