题干

把一个长3cm,宽2cm的长方形按3:1放大,得到的图形面积是____平方厘米。
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                                                                                                          《饮酒》
                                                                                                            陶渊明

                                                                                             结庐在人境,而无车马喧。
                                                                                             问君何能尔,心远地自偏。
                                                                                             采菊东篱下,悠然见南山。
                                                                                             山气日夕佳,飞鸟相与还。
                                                                                              此中有真意,欲辩已忘言。