(完整版)分式混合运算练习题(30题)
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一.解答题
1.计算:
(1)(2)(﹣2m2n﹣2)2?(3m﹣1n3)﹣3
2.计算:3.化简:.4.(2007?双柏县)化简:5.(2006?襄阳)计算:.6.(2005?江西)化简?(x2﹣9)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:﹣a﹣1.
13.计算:
(1)(2)
14.计算:a﹣2+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.(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:﹣x﹣2)