题干

求几个____的和,用乘法计算比较简便。

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阅读下面一首诗,完成下列各题。
                                                                                              饮酒 (其五)
                                                                                                                       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,欲辨已忘言。