人教版八年级数学上册整式的乘法和因式分解练习题大全86Word文件下载.docx
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(-2xy)2•(x3y3)2(6a-4b)(a-b)
3x(x-1)(x+5)(2x-2y+4)2
4.3×
3.720032
(3a)3•b4•12a2b2(x3y2-4x2y4z3)•x2y2
3(x-4)2+(2x+2)(4x-1)2(y-z)2+(2y+z)(2y-z)
x2-y2(d-q)(2x-5y)+(d-q)(x+y)
a2+16an+64n29-24(p+b)+16(p+b)2
a3-64ax4-1
(-3xy2)3•(xy3)3(a-2b)(5a+b)
-2x(x-1)(x-4)(2x+3y+4)2
90.4×
89.690052
(5a)3•b3÷
16ab2(x2y2+9x2y2z2)•7xy
(x+1)2+(3x+5)(2x-1)4(y+z)2-(4y-z)(4y-z)
36x2-36y2(n+a)(2x+3y)+(n+a)(x-3y)
a2+12ax+36x29-24(p-a)+16(p-a)2
b3-49bx4-16
(3xy2)2•(-x2y)2(3a+6b)(4a-2b)
3x(x-3)(x+1)(3x-6y-3)2
3.4×
2.699952
(7a)3•b2•18a2b2(x3y4+x2y2z2)÷
4xy
2(x-4)2-(4x+3)(4x+4)(y+z)2-(4y-z)(2y+z)
x2-y2(p+b)(x+2y)-(p+b)(x-4y)
a2+10am+25m216+24(a+n)+9(a+n)2
a3-16a81x4-256
(-2x3y)2•(-xy2)3(2a+2b)(a-b)
2x(x-1)(x+3)(4x+3y-1)2
8.4×
7.679992
(9a)3•b4•14ab(x3y3-2x2y3z4)÷
xy2
4(x+1)2-(3x-1)(2x+4)4(y-z)2-(2y+z)(4y-z)
x2-y2(p+d)(x+y)-(p+d)(x-2y)
a2+8am+16m225-40(p+c)+16(p+c)2
b3-16b81x4-1
(-2x3y2)2•(-xy2)3(a+b)(2a-b)
-2x(x+5)(x-4)(x+3y+1)2
50.4×
49.669982
(5a)3•b2÷
6ab(x3y4+7x3y4z4)÷
8x2y2
3(x-2)2-(3x-1)(4x-5)(y-z)2+(3y-z)(2y+z)
x2-100y2(n+b)(6x-y)-(n+b)(x-3y)
a2+10am+25m225+30(m-d)+9(m-d)2
d3-25d16x4-81
(-2x2y2)2•(x3y)3(2a-6b)(3a+b)
2x(x-3)(x+1)(5x-3y-3)2
60.2×
59.849972
(9a)2•b3÷
16a2b2(x2y4-8x4y3z4)•x2y
4(x-2)2-(4x+5)(4x+4)4(y+z)2-(4y+z)(2y-z)
16x2-y2(a-p)(4x+y)-(a-p)(6x-y)
a2+20an+100n24+28(d+n)+49(d+n)2
b3-9bx4-16
(-3x2y)3•(-xy2)3(a+b)(5a-b)
-2x(x+4)(x+4)(3x+6y+4)2
5.3×
4.730012
(6a)3•b4•16ab(8x3y3+x3y4z4)÷
9x2y
(x-2)2-(3x-1)(3x+2)4(y-z)2+(2y+z)(4y-z)
x2-4y2(p-a)(2x+3y)-(p-a)(x+y)
a2-8ab+16b24-12(m+a)+9(m+a)2
b3-81bx4-256
(-3xy)3•(xy3)3(5a-b)(2a+b)
-3x(x+3)(x+3)(3x-y-1)2
10.3×
9.729982
(2a)3•b4•4a2b(8x2y4+7x2y2z2)÷
x2y
(x+4)2-(2x+4)(2x+3)(y+z)2+(2y-z)(2y+z)
36x2-y2(a+p)(5x+3y)+(a+p)(5x+3y)
a2+6ay+9y24+16(m-d)+16(m-d)2
b3-4bx4-1
(-2xy)2•(-x3y3)2(a-2b)(4a-b)
-2x(x+3)(x+3)(x+3y+1)2
5.2×
4.87052
14a2b(x3y4+x4y3z3)•x2y2
(x-4)2-(4x-3)(3x+2)(y-z)2+(2y+z)(2y-z)
9x2-64y2(p-a)(x+3y)-(p-a)(5x+y)
a2+14ay+49y236-24(b+n)+4(b+n)2
a3-100ax4-256
(-2x3y3)2•(x3y)2(4a+b)(a-3b)
2x(x+4)(x+5)(4x+5y-1)2
70.3×
69.7952
(4a)2•b2÷
16a2b(x4y4+x3y3z3)÷
2xy
2(x-1)2+(2x-3)(4x+3)2(y-z)2-(2y-z)(2y+z)
36x2-y2(n+b)(x+6y)+(n+b)(2x-y)
a2+16ab+64b24-24(m+b)+36(m+b)2
d3-49dx4-1
(-3xy)3•(xy3)3(3a-b)(5a+b)
-2x(x-2)(x+3)(x-y-1)2
70.2×
69.82032
(9a)2•b4•18a2b2(2x4y2+7x4y4z2)÷
7x2y2
(x+4)2-(4x+4)(4x-4)(y+z)2+(4y-z)(3y-z)
64x2-y2(m+b)(3x-2y)+(m+b)(4x-4y)
a2-18ay+81y236-24(b+m)+4(b+m)2
a3-64a16x4-256
(3xy)2•(-xy2)3(a+2b)(5a-2b)
-2x(x-5)(x+4)(5x+6y-4)2
2.2×
1.86022
(5a)3•b4•16a2b(9x3y3+2x2y3z3)•x2y
4(x+1)2+(2x-1)(4x-3)(y+z)2-(4y+z)(3y+z)
100x2-y2(q-a)(6x+3y)-(q-a)(5x-y)
a2-6an+9n29-36(d+p)+36(d+p)2
c3-16c16x4-16
(-3xy2)3•(xy3)3(2a+b)(3a+5b)
2x(x-4)(x-3)(2x-6y+1)2
60.4×
59.69042
(9a)3•b4•12ab(2x4y2+x3y2z2)•x2y
(x+3)2-(2x-4)(4x-3)(y+z)2+(3y-z)(2y+z)
49x2-y2(b-q)(3x+3y)-(b-q)(x+2y)
a2-10ay+25y225-50(b+n)+25(b+n)2
a3-49ax4-256
(2xy3)2•(x2y)2(2a-b)(4a-b)
-2x(x+3)(x-1)(x+3y-2)2
10.4×
9.64032
(3a)2•b2•4ab2(x2y3-5x4y3z4)•8xy
2(x-2)2+(4x-1)(3x-1)(y+z)2+(4y-z)(2y-z)
16x2-y2(p-b)(x-6y)+(p-b)(x+y)
a2+14ay+49y216-40(d-q)+25(d-q)2
c3-49c81x4-16
(2x3y)3•(-xy3)2(2a-b)(2a-4b)
2x(x+5)(x+1)(3x-y-2)2
6.4×
5.69962
(2a)3•b4÷
20ab2(6x2y4-8x4y3z3)•6xy
(x-1)2+(3x+1)(3x-3)2(y+z)2+(2y+z)(4y+z)
x2-y2(c-p)(3x-3y)+(c-p)(5x-y)
a2+20am+100m216-16(a-p)+4(a-p)2
d3-81dx4-256
(-3x3y)2•(x2y3)2(a+b)(3a-b)
3x(x-2)(x-2)(x-y+1)2
4.4×
3.65952
(7a)3•b4÷
14a2b2(x4y2+5x3y3z2)÷
x2y2
(x+3)2-(2x+2)(2x-4)(y+z)2+(3y-z)(3y+z)
x2-y2(c+m)(x+4y)-(c+m)(x-y)
a2-6an+9n225+70(b+n)+49(b+n)2
d3-4dx4-256
(2x3y3)2•(-xy)2(6a-6b)(3a-5b)
3x(x-5)(x+4)(5x-y+2)2
10.1×
9.910032
(6a)3•b4÷
16ab2(5x2y4-9x2y4z2)÷
6x2y
(x+4)2-(3x+5)(3x-4)2(y+z)2+(3y+z)(2y-z)
64x2-49y2(b-q)(x+6y)-(b-q)(x+5y)
a2-12am+36m225-40(b-q)+16(b-q)2
a3-81a81x4-256
(-3xy3)2•(xy3)3(a+b)(4a-b)
2x(x-2)(x+2)(x-y+1)2
20.1×
19.970012
12ab(9x4y4+6x4y2z2)÷
8x2y
4(x+2)2-(3x-2)(3x-5)(y+z)2+(4y-z)(3y+z)
81x2-y2(a-m)(x+2y)-(a-m)(2x+4y)
a2-12ab+36b225-20(m+a)+4(m+a)2
c3-4cx4-1
(2xy3)2•(xy2)3(a+b)(a+b)
-3x(x+3)(x+2)(x-4y+2)2
7.2×
6.86992
(3a)2•b3÷
18a2b2(x4y3-x2y4z2)÷
(x-3)2-(4x+1)(4x-3)3(y-z)2-(4y-z)(4y+z)
x2-y2(p-c)(x-3y)-(p-c)(x+4y)
a2+12am+36m225-60(d-p)+36(d-p)2
b3-25bx4-16
(-3x2y)2•(x2y3)3(a+b)(a+b)
2x(x+2)(x-5)(2x+y+2)2
8.1×
7.989982
(7a)3•b4•18a2b(x4y2-x4y2z3)•xy
4(x+1)2+(4x+5)(2x+2)(y+z)2+(4y+z)(4y-z)
x2-36y2(a-n)(x+y)+(a-n)(x-5y)
a2+18am+81m216-24(d+n)+9(d+n)2
b3-16bx4-1
(2x2y2)2•(xy2)3(6a+b)(3a-b)
3x(x-2)(x+4)(6x-3y+3)2
2.4×
1.679972
(2a)2•b4÷
16a2b2(x2y2+7x3y4z3)•xy2
(x-4)2+(3x+4)(3x-3)(y-z)2-(3y+z)(4y+z)
16x2-y2(c-n)(5x-3y)+(c-n)(x+3y)
a2+12ax+36x24+24(q-c)+36(q-c)2
b3-36b16x4-1
(2x2y)3•(xy2)2(a-2b)(a+b)
-2x(x+4)(x-1)(x+5y+3)2
40.2×
39.89962
(4a)2•b3•20ab2(9x4y4-x2y3z4)÷
9x2y2
(x+4)2-(2x+4)(3x-2)(y+z)2-(3y+z)(2y-z)
x2-81y2(b-p)(x+y)+(b-p)(x-5y)
a2+12am+36m24-12(p-d)+9(p-d)2
a3-81ax4-1
(-2x3y3)3•(x2y2)3(4a-b)(5a+4b)
-2x(x+2)(x-3)(4x-6y-4)2
1.1×
0.99952
(2a)3•b2•10a2b2(6x4y2+x2y2z3)•x2y2
(x+1)2-(2x+4)(4x+5)4(y-z)2-(4y-z)(4y+z)
x2-y2(a-p)(3x-y)-(a-p)(x+y)
a2-20am+100m225-40(b+p)+16(b+p)2
c3-49cx4-256