http://www.smartstudyroom.com/630 教你”学习如何学习”，提供学习资料、读书方法、考试技巧、记忆方法和讲座课程。 Wed, 08 Feb 2012 04:36:10 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.smartstudyroom.com/630/comment-page-1#comment-1902 凌菱 Wed, 25 Feb 2009 09:23:14 +0000 http://www.smartstudyroom.com/630#comment-1902 中四有教这么难的了吗？ 而且还是第二课… 中四有教这么难的了吗？
而且还是第二课…

]]> http://www.smartstudyroom.com/630/comment-page-1#comment-1689 chee hong Mon, 09 Feb 2009 02:00:51 +0000 http://www.smartstudyroom.com/630#comment-1689 There are two rectangular plots of land,A and B.The difference between the length and the width is 3m.The length of A is 8m more than that of B;the width of A is 5m less than the width of B and the area of B is 250(m*m) more than half the area of A.Find lengths and widths of A and B. There are two rectangular plots of land,A and B.The difference between the length and the width is 3m.The length of A is 8m more than that of B;the width of A is 5m less than the width of B and the area of B is 250(m*m) more than half the area of A.Find lengths and widths of A and B.

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