1、一解答题1计算:(1)(2) (2m 2n2) 2(3m 1n3) 32计算:3化简: 4 (2007双柏县)化简:5 (2006襄阳)计算: 6 (2005江西)化简 (x 29) 7 (2007北京)计算: 8 (2005宜昌)计算: + 9 (2001吉林)计算:( 1) ; (2) 10 (2001常州) 11计算:12计算: a113计算:(1)(2)14计算:a2+15计算: 16化简: ,并指出 x 的取值范围17已知 ab=1,试求分式: 的值 18计算: 19 (2010新疆)计算:20 (2009太原)化简:21 (2009上海)计算: 22 (2009眉山)化简:23 (
2、2009江苏)计算:( 1) ; (2)24 (2009东营)化简:25 (2008白银)化简: 26 (2007南昌)化简:27 (2007巴中)计算:28 (2006宜昌)计算:( ) 29 (2006十堰)化简: 30 (2006南充)计算: x2)31 (2015 眉山)计算: 122xx32 (2015 宜昌)化简: 2x33 (2015 厦门)计算: 1x34 (2015 柳州)计算: a135 (2015 佛山)计算: 482x36 (2015 福州)化简: 22)(ba37 (2015 宜宾)化简: 1)1(2238 (2015 青岛)化简: nn)(239 (2015 重庆)化简: 12)12(xx40 (2015 泸州)化简: )(12m41 (2015 扬州)化简: )(2aa42 (2015 滨州)化简: )31(962 mm43 (2015 广西)化简: 2)1(2aa44 (2015 连云港)化简: m24)1(45 (2015 成都)化简: )4(2aa46 (2015 重庆)计算: yy296)18(47 (2015 南京)计算: baba)12(248 (2015 南充)计算: 34)5(49 (2015 巴中)化简: 1212aa50 (2015 十堰)化简: )()(2