整式的乘法和因式分解计算题100道Word格式文档下载.docx
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(15)(16)
(17)(18)
(19)(20)
(21)(22)
(23)(24)
单项式乘多项式
(1)(2xy2-3xy)·
2xy;
(2)-x(2x+3x2-2);
(3)-2ab(ab-3ab2-1);
(4)(an+1-)·
ab.(5)-10mn·
(2m2n-3mn2).(6)(-4ax)2·
(5a2-3ax2).
(7)(3x2y-2xy2)·
(-3x3y2)2.(8)7a(2ab2-3b).(9)x(x2-1)+2x2(x+1)-3x(2x-5)
10.2ab(5ab+3a2b)11..
12.计算:
2x(x2﹣x+3)13.(﹣4a3+12a2b﹣7a3b3)(﹣4a2)
14.计算:
xy2(3x2y﹣xy2+y)15.(﹣2ab)(3a2﹣2ab﹣4b2)
16.17.
18.19.
20.21.
22.23.
(三)同底数幂的除法
(1)(-a)8÷
(-a5);
(2)(x-y)7÷
(y-x)6;
(3)(-m4)3÷
(-m)7;
(4)x7÷
(x5÷
x3).
(1)(-a2b4)÷
(-ab2)÷
(-10ab);
(2)-32a4b5c÷
(-2ab)3·
(-ac);
(3)(n3-7mn2+n5)÷
n2;
(4)(12x4y6-8x2y4-16x3y5)÷
4x2y3.
多项式与多项式相乘
1、(x+2)(x+6)2、(x+5)(x+6)3、(x+5)(x-7)4、(x+2)(x-3)
5、(-x-2)(x-6)6、(-x-5y)(x-7y)7、(x-3y)(x+7y)8、(2x-y)(3x+2y)
9、(3x-1)(2x+1)10、(2x-3)(3x-4)11、(3x+2y)(3x-4y)12、(-8x+5)(5x-4)
13、(-4x-y)(-5x+2y)14、(-2a-3b)(4a-2b)15、(2x-3y)(4x2+6xy+9y2)
16、(a2+2)(a4-2a2+4)17、(3x2+2x+1)(2x2+3x-1)
18、(y-1)(y-2)(y-3)19、(a-4)(a+3)-(2a+1)(a-3)
20、(x+2)(x-3)-x(x-2)21.(x-3)(x2一6x+1)-x(x2一x-3)
22.(a-2b)2+(a-b)(a+b)-2(a-3b)(a-b)
(23)(2x+3y)(3x-2y)(24)(3x-1)(4x+5)
(25)(x+3)(x+4)-(x-1)(x-2)(26)(3x+2y)(2x+3y)-(x-3y)(3x+4y)
(27)(x+2)(x+3)-(x+6)(x-1)(28)(m+1)(2m-1)(29)(2a-3b)(3a+2b)
(30)(2x-3y)(4x2+6xy+9y2)(31)(-ab)(ab2-2ab+b+1)
(32)3ab(a2b-ab2-ab)-ab2(2a2-3ab+2a)(33)(2x-y)(x+y)
(34)a(a-3)+(2-a)(2+a)
因式分解
(1)
(2)(3)(4)
(5)3x3+6x4(6)4a3b2-10ab3c(7)-3ma3+6ma2-12ma;
(8)6p(p+q)-4q(p+q)
(9)x4+x3+x(10)x(x-y)+y(y-x)(11)6x(a-b)+4y(b-a)(12)(a2-ab)+c(a-b)
(13)4q(1-p)3+2(p-1)2(14)(15)
(16) (17) (18)4x2-y2;
(19)-16+a2b2100x2-9y2
(20) (x+2y)2-(x-y)2(21)16-b4(22)a3-9a
(23)3m(2x-y)2-3mn2;
(24)(a-b)b2-4(a-b)(25)
(26)(27)(28)
(29)3p2﹣6pq;
(29)2x2+8x+8(30)2am2﹣8a;
(31)4x3+4x2y+xy2(32)(33)
(34)(35)(36)
(37)(38)-24x3-12x2+28x(39)6(m-n)3-12(n-m)2
(40)3(a-b)2+6(b-a)(41)18(a+b)3-12b(b-a)2(42)(2a+b)(2a-3b)-3a(2a+b)
(44)(x2+6x)2-(2x-4)2(44)9(m+n)2-(m-n)2(45)(2x+3y)2-1
(46)9(a-b)2-16(a+b)2(47)(x+y)2-16(x-y)2(48)-16x4+81y4
(49)3ax2-3ay22x3-8x(50)7x2-63(51)(a2+b2)2-4a2b2
(52)(m+n)2-6(m+n)+9(53)(a-b)2-2(a-b)+1(54)4xy2-4x2y-y3
(55)-x2-4y2+4xy(56)(57)
(58)(a2+4)2-16a2(59)-4x3+16x2-26x(60)a2(x-2a)2-a(2a-x)3
(61)x3yz+14x2y2z-21xy2z2(62)mn(m-n)-m(n-m)(63)-(2a-b)2+4(a-b)2
(64)4xy–(x2-4y2)(65)-3ma3+6ma2-12ma(66)a2(x-y)+b2(y-x)
(67)(68)(69)–2x2n-4xn
(70)(71)(72)
(73)ax2y2+2axy+2a(74)(x2-6x)2+18(x2-6x)+81(75)
(76)9x2-y2-4y-4(77)(78)
(79)(80)(81)
(82)(83)