文档介绍：BY: 空气过滤器 ?????????????????????????????????????????????????????????????? 9 5 90 11 11 98 47 5 33,,,,,?整理: 空气过滤器风淋室高效送风口 luation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. BY: 空气过滤器 ????????????509 521090 11 81 0 11 9 875 58 47 605 3033 .,.,. ,.,.,.???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. ?????????????????????????????????????????????无理数也有正负之分,例如:正无理数: 负无理数: 3 ??? 2— 23— 23化成小数,是怎样的小数? 和 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. BY: 空气过滤器 ,3????????????????????????????????,2 3,7 2 1, ??,2 5?,3 20,5?,8 3?,9 4 ,0???3737737773 .0??????????????????????????,8 3?7,3 ,2 5?,9 4,0???,2 3,7 2 1, ??,3 20,5???? 3737737773 .0 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. BY: 空气过滤器 .圆周率及一些含有的数?? ,但 不循环的无限小数无理数的特征:注意:带根号的数不一定是无理数 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. BY: 空气过滤器 ??????????????????????. . Evaluation only. Evaluation only. Created with Client Profile . Cr