分式通分练习题及答案
时间:2022-11-08 03:20:37 下载该word文档
精品文档你我共享>>>>分式通分练习题及答案【篇一:分式的约分、通分专项练习题】t>1.不改变下列分式的值,使分式的分子、分母首相字母都不含负号。4.约分6x2y?2xy2(a?b2?c216a4b2c52b?ab①2②③④22342①?y?x②??x?yx?2y③?x?y?x?y约分练习:1.根据分数的约分,把下列分式化为最简分式:826?a?b?2a212a=_____;125a2bc326a?b45ab2c=_______13a?b=__________13a2?b2=________2、约分⑴3a3b3c12ac2⑵?x?y?yxy2⑶x2?xyx2?y2x?y2⑷x?y23、约分:;?2?252321?.xx2?5x?2?.a?4a?3a2?a?6(3?32abc24a2b3d?15(a?b2a2?abx2(4?25(a?b(5a?b;(6?x?24?x2;a?2a⑤2a?2b4a2?4b25.约分腹有诗书气自华
精品文档你我共享>>>>x2?6x?9x2?92?4x?3x2?x?6x2y?xy22xy1a?b?c⑥m3?2m2?mm2?1a2?9a2?6a?92?7xx249?2m?2m?11?m9x?y12abc2y(2y?x415mn2⑦6x(x?2y3⑧?10m2n5mn?x?y??a?b?3x2?3x?18x?y2a?bx2?9212a3?y?x?27ax?y1?x2x2?3x?26.约分:2.通分:(1)(1;(2;(3;(4.x12x12x,(2);,,,22222(2x?46x?3xx?4x?1x?3x?2(1);(2);(1腹有诗书气自华
精品文档你我共享>>>>;(2.