30                                  （完成在课本上）                                                                                                                                                                                                                                                                                                                                                                                                                                 表示现价是原价的（ ）%，现价比原价便宜（ ）%。

分                                  2. 思考：你还能从其他的角度思考问题、解决问题吗？                                                                                                                                                                                                                                                                                           （20分钟）                                                                                                                  

钟                                  （完成在随堂笔记处）                                                                                                                                                                                                                                                                                                                                                                                                                               例题4我还有好的解法：