1、(完整版)分式的基本性质练习(含标准答案)16.1。2分式地基本性质第2课时课前自主练1分数地基本性质为:_b5E2RGbCAP2把下列分数化为最简分数:(1)=_;(2)=_;(3)=_p1EanqFDPw3把下列各组分数化为同分母分数:(1),,; (2),4分式地基本性质为:_DXDiTa9E3d 用字母表示为:_课中合作练题型1:分式基本性质地理解应用5(辨析题)不改变分式地值,使分式地各项系数化为整数,分子、分母应乘以( ) A10 B9 C45 D906(探究题)下列等式:=-;=;=;=中,成立地是( ) A B C D7(探究题)不改变分式地值,使分子、分母最高次项地系数为正数
2、,正确地是( ) A B C D题型2:分式地约分8(辨析题)分式,中是最简分式地有( ) A1个 B2个 C3个 D4个9(技能题)约分:(1); (2)题型3:分式地通分10(技能题)通分:(1),; (2),课后系统练基础能力题11根据分式地基本性质,分式可变形为( ) A B C D12下列各式中,正确地是( )A=; B=; C=; D=13下列各式中,正确地是( ) A B=0 C D14(2005天津市)若a=,则地值等于_15(2005广州市)计算=_16公式,地最简公分母为( ) A(x-1)2 B(x1)3 C(x-1) D(x1)2(1-x)3RTCrpUDGiT17,则
3、?处应填上_,其中条件是_拓展创新题18(学科综合题)已知a24a+9b2+6b+5=0,求地值19(巧解题)已知x2+3x+1=0,求x2+地值20(妙法求解题)已知x+=3,求地值答案1分数地分子、分母同乘以(或除以)同一个不为零地数,分数地值不变2(1) (2) (3)2 3(1), (2),,4分式地分子、分母乘以(或除以)同一个不为零地整式,分式地值不变, (C0) 5D 6A 7D 8C 9(1) (2)10(1),(2),11C 12A 13D 14-1516B 17(x1)2,x1 183197 20版权申明本文部分内容,包括文字、图片、以及设计等在网上搜集整理。版权为个人所有
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