(938)整式的混合运算专项练习99题(有答案有过程)ok

《(938)整式的混合运算专项练习99题(有答案有过程)ok》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、整式的混合运算专项练习99题（有答案）(1)(-2x2y3)e(xy)3(2)5x2(x+1)(x-1)(3)x(y-x)+(x+y)(x-y)；(4)(a+2b)2+4ab3-r(-ab).(5)3(a2)3-(a3)2-(-a)2(a5)(11)(x+1)2+2(1-x)(12)(-a3)2*(-a2)3；(13)[(-a)(-b)2*a2b3c]2；(14)(-9)3x(-^)3x(1)3;oo(15)(x3)24-x24-x+x3-r(-x)2>(-X2).(7)(x+2)2-(x+1)(x-1)(8)(x+2)2-(2x

2、)2；(9)(2a+3b)2-4a(a+3b+l).(17)(-x-y)2-(2y-x)(x+2y)(18)(3x2y-xy2+^xy)-(-器y)(10)(-2xy2)2>3x2y4-(-x3y4)(6)(5mn-2m+3n)+(-7m-7mn)(16)(-3x2)3•(-4y3)24-(6x2y)(19)(a+b)(-b+a)+(a+b)2-2a(a+b)(20)[2x(3x2y2)♦■

3、y2]一9x8；(21)x(x+1)-(2x+l)(2x-3)；(22)(2a+3b)2-(2a-3b)2.(23)2a2-a84-a6；

4、(29)(-2m-1)(3m-2)(30)2x•(-x2+3x)-3x2>(x+1).(31)3ae(-ab2)-(-3ab)2.(32)-3x*(2x2-x+4)(33)2x3・(-2xy)(--xy)3.2(34)3(x2-2x+3)-3x(x+1)二0・(28)(-2x2)34-(-x)(40)(a2)44-a2(20)(2-x)(2+x)+(x+4)(x-1)(21)(-2ab3)2+ab4>(-3ab2)；(22)(2a+3)(2a-3)+(a-3)I(23)12ab2(abc)44-(-3a2b3c)[2(abc)3]

5、・(35)(3x+2)(3x+l)-(3x+l)2.(36)2a(a+b)-(a+b)2.(37)x(2x-7)+(3-2x)I(38)(-3xy)24-(-3x3y2)(29)(a+2)2-(a+1)(a-1)(41)2ab(-乙3b)+6ab2・(42)a(ab2-4b)+4a3b4-a2；(43)(x-8y)(x-y).(44)(3x2y)3•(-5y)；(45)[(x+y)2-y(2x+y)-4x]~r2x.(46)(2x+a)2-(2x-a)2(50)(3x-1)(2x+3)-6x1(51)(-6x2)2+(-3x2)e

6、x-27x54-(-9x2)(52)(-2y2)3+y・y5(53)(x+2)2-(x+1)(x-1)(54)(a+b)(a-b)+(a+b)2-a(2a+b)(47)[(2x2)3-6x3(x3+2x2)]4-(55)(-a)2>(a2)24-a3(-2x2)(50)(15x2y-10xy2)4-5xy.(48)(x-2)(x+2)-(x+1)(x(56)[(2x2)6x3(x3+2x2+x)]-3)(-x)4.(49)(2a)3*b44-12a3b2(57)(x+1)2+2(1-x)-x2/25(a)；(78)(m2n)3・

7、(-m4n)-r(-mn)2(50)(12a-6a2+3a)4-3a(51)5x2(x+1)(x-1)(52)(b-2a)2■4a(a-b)(53)(-3ab2)3(-4ab2)(54)(3a-2)(a-6)(55)(3ab-9a2b2-21ab3)4-(-3a2b)(56)(x+3)(x-2)-(x-2)(57)(3x+4y)(3x-4y)(58)(x+3y)(2x-y)-y(5x+3y)(59)3(a5)2<-a)2-(2a3)2>(60)4xy+(x-2y)2+(x+3y)(3y-x)(61)-3x2y2>(-2xy)2.(

8、62)(a-2b)2+(a+2b)(a-2b)(72)(a+2b)(a-2b)-4b(吉a-b)・(73)/討心“3冷).(74)(-2xy2)3+(-3xy4)(-2x2y2)(75)(2x)3X(-3xy2)(76)(a+3b)(a-2b)-(2a-b)■(77)(-2x2y)3+(3x2)2<-x2)>y3.(79)(2a-1)2(2a+l)2(88)"(f2-停八27/(80)(x4y+6x3y2-x2y3)4-(3x2y)(89)(2x+y)(2x-3y)+4y(2x+y)(81)(2x-3y+l)(2x+3y-1)(8

9、2)(-2x)(4x2-2x+1)(83)(6a3-4a2+2a)4-2a(84)(2x-y)(2x+y)-(x-3y)(85)(4x2-2x3+6x)4-(-2x)-(2x-1)I(86)[(3irH-n)_6n(ird--

10、n)]一2m・(87