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105Word文档格式.docx
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(-3xy3)2•(-x2y2)3(6a+5b)(a-b)
2x(x+3)(x-5)(x-y-4)2
9.4×
8.69982
(5a)2•b4÷
10ab2(3x3y2+4x2y4z2)•x2y
(x+3)2-(4x+4)(2x-3)3(y-z)2-(3y+z)(3y-z)
x2-y2(d+m)(6x+y)-(d+m)(x+6y)
a2-8ay+16y24+24(q-b)+36(q-b)2
b3-4b81x4-16
(2x2y)2•(-x2y3)3(a-b)(a+5b)
-3x(x+3)(x+2)(2x-3y-1)2
30.1×
29.99962
(7a)2•b3•8ab(x4y3+x4y4z4)÷
xy
(x+1)2-(2x-4)(3x-3)(y-z)2-(4y-z)(4y+z)
16x2-y2(n-c)(2x-y)-(n-c)(4x-2y)
a2-12ay+36y236+60(p+d)+25(p+d)2
a3-4ax4-1
(-2x2y)2•(x2y2)2(a+2b)(4a+4b)
-3x(x+2)(x+3)(2x+y+2)2
50.3×
49.7962
2ab2(x2y3+5x3y2z4)÷
xy2
2(x-1)2-(4x-3)(4x-5)4(y+z)2+(4y-z)(2y-z)
x2-4y2(q-c)(x-3y)-(q-c)(x-2y)
a2+6ay+9y225-40(m-d)+16(m-d)2
c3-64cx4-1
(-3x3y3)2•(x3y)2(a-4b)(a+b)
3x(x+2)(x-5)(x+y+1)2
49.730002
(9a)3•b2÷
6a2b(4x2y2-5x3y3z4)÷
2x2y2
3(x-4)2-(2x+3)(2x+2)(y-z)2-(4y+z)(3y-z)
49x2-y2(c+q)(5x+y)+(c+q)(x+3y)
a2-10am+25m225-50(m-c)+25(m-c)2
c3-25cx4-16
(-3xy)3•(xy3)3(a-b)(a+b)
-3x(x-5)(x-2)(5x+y+1)2
5.3×
4.779982
(2a)3•b3÷
20a2b(x4y3+x4y4z3)÷
x2y2
4(x+4)2-(3x+4)(4x-2)(y-z)2-(4y+z)(2y-z)
49x2-y2(p-c)(4x-y)+(p-c)(x-2y)
a2-4ax+4x24-8(b-n)+4(b-n)2
a3-16ax4-256
(-3xy)3•(-xy3)3(a-5b)(2a-5b)
3x(x-3)(x-4)(6x+2y+4)2
90.4×
89.619972
(5a)2•b3÷
4ab2(x2y4+8x3y3z4)•x2y2
(x-2)2-(4x-4)(3x-4)(y-z)2-(4y-z)(3y-z)
x2-9y2(m+d)(x+4y)-(m+d)(x+y)
a2+12ab+36b216+32(b+n)+16(b+n)2
b3-9bx4-81
(-2xy)3•(x2y2)3(a-4b)(2a-b)
3x(x-3)(x+3)(x-y-3)2
8.2×
7.86952
(4a)3•b2•6a2b(3x2y3+2x3y2z2)÷
(x+2)2-(2x+2)(4x+3)(y+z)2-(2y-z)(3y-z)
x2-y2(m+d)(2x+6y)+(m+d)(3x+y)
a2+14ay+49y216-32(a-n)+16(a-n)2
a3-4a81x4-256
(2xy)2•(x2y)2(a-5b)(5a-4b)
3x(x-5)(x-5)(x-y-1)2
9.3×
8.739972
(8a)2•b3÷
12a2b(3x3y2-5x3y4z2)÷
x2y
(x-2)2+(2x+4)(2x+5)3(y-z)2+(4y-z)(3y-z)
x2-y2(p+c)(2x-y)+(p+c)(6x+2y)
a2+16am+64m225+60(a+p)+36(a+p)2
c3-81cx4-256
(-2x2y)3•(-xy)2(4a-b)(a+b)
-2x(x-2)(x-4)(2x-6y+2)2
20.3×
19.760012
(9a)3•b2•14a2b(x3y3-x4y3z4)÷
(x+4)2+(3x-3)(2x-2)4(y-z)2-(3y-z)(4y-z)
81x2-y2(d+p)(x+y)-(d+p)(x-3y)
a2-6an+9n236+60(c-q)+25(c-q)2
c3-64c16x4-81
(3xy2)2•(-x2y)2(5a-6b)(a-b)
3x(x+1)(x-5)(4x-3y-1)2
5.1×
4.910042
(6a)2•b2÷
18a2b2(x3y2+x3y2z4)•xy2
(x-1)2+(2x+3)(2x+5)3(y+z)2+(3y+z)(2y+z)
x2-y2(c-n)(3x-y)-(c-n)(2x-y)
a2+16ab+64b24-12(d-m)+9(d-m)2
b3-100bx4-1
(2xy)2•(-xy)2(6a-4b)(a-5b)
-3x(x+1)(x-2)(x-y+2)2
50.1×
49.95972
(7a)2•b3÷
14a2b2(x4y4+x3y2z4)÷
7x2y
2(x-3)2-(4x+2)(3x-1)(y+z)2+(3y-z)(2y+z)
49x2-4y2(c+q)(2x-y)+(c+q)(x-y)
a2+18an+81n29+30(d-p)+25(d-p)2
(-2x2y2)3•(xy3)2(2a+b)(a+4b)
-3x(x+2)(x+4)(x-6y-4)2
79.879962
(4a)2•b2÷
10a2b(x3y4-6x4y4z4)•2x2y2
2(x-4)2+(4x+4)(4x-2)2(y+z)2+(4y+z)(2y-z)
x2-16y2(p-a)(x-y)+(p-a)(3x+y)
a2-12ax+36x216-56(c-m)+49(c-m)2
a3-49ax4-16
(-2xy)3•(xy3)3(6a-b)(3a-b)
3x(x+3)(x+5)(4x-2y+4)2
80.4×
79.6952
(4a)3•b3÷
20a2b2(x2y3-x2y3z4)•2xy
(x+3)2+(3x-2)(4x-5)4(y-z)2-(4y+z)(3y-z)
x2-y2(b+m)(x-6y)-(b+m)(x-y)
a2+18am+81m225+70(b-n)+49(b-n)2
b3-36bx4-256
(3xy)2•(-xy2)2(a-6b)(a-b)
-2x(x+5)(x+1)(3x-3y-3)2
20.2×
19.819982
(5a)2•b2÷
20ab(8x3y3+9x2y2z4)÷
3x2y2
(x-3)2+(2x-1)(2x-3)(y+z)2+(4y-z)(3y+z)
49x2-y2(c-m)(5x-5y)+(c-m)(5x+4y)
a2-10ax+25x236-24(q-d)+4(q-d)2
d3-9dx4-81
(-2x3y2)3•(-x3y3)3(5a+5b)(4a+3b)
-3x(x+5)(x-5)(x+y-2)2
70.4×
69.610012
(8a)3•b2÷
6ab2(8x4y4+x4y2z4)•5xy
(x+1)2-(3x-2)(4x-5)2(y+z)2+(4y-z)(2y+z)
x2-64y2(d+q)(x+2y)-(d+q)(x-y)
a2-10ax+25x216-24(m+d)+9(m+d)2
a3-100a81x4-256
(-3x3y)3•(-xy)3(a+b)(5a+b)
2x(x+5)(x+4)(2x+y-1)2
3.3×
2.7962
(2a)3•b3•2ab(x3y3-x2y4z2)•3xy
(x+2)2-(3x+5)(2x-1)(y-z)2+(4y+z)(3y+z)
x2-81y2(n+a)(6x+y)+(n+a)(3x+y)
a2+8am+16m225+70(q-b)+49(q-b)2
a3-9ax4-256
(2x3y2)3•(-xy2)3(6a+b)(4a+6b)
-3x(x+5)(x+5)(x+y+3)2
4.3×
3.78012
4a2b2(x2y3+x4y2z2)÷
5xy2
(x-4)2+(4x+2)(3x-1)4(y+z)2-(2y-z)(4y+z)
x2-81y2(p+c)(3x+6y)+(p+c)(x-y)
a2-18ax+81x29+42(c-p)+49(c-p)2
c3-4cx4-81
(-2xy)2•(xy)2(a-b)(4a+4b)
3x(x+4)(x-4)(5x+5y-4)2
60.4×
59.640032
(3a)3•b4÷
14a2b2(8x2y3-x2y4z4)÷
4x2y2
4(x-3)2+(4x-2)(3x-3)4(y-z)2-(2y-z)(2y-z)
x2-y2(p+a)(5x+3y)-(p+a)(x-y)
a2-6ay+9y29+36(n+c)+36(n+c)2
b3-9b16x4-16
(-3xy)3•(xy3)3(a+b)(6a+6b)
-3x(x-5)(x-3)(6x+3y+4)2
7.3×
6.720032
(4a)2•b3÷
16ab(x3y4-2x2y4z4)•x2y
(x+2)2-(2x+5)(4x+2)(y+z)2+(4y+z)(4y-z)
81x2-y2(d+m)(4x+y)-(d+m)(x+y)
a2-10ab+25b225+40(d-q)+16(d-q)2
d3-49d16x4-81
(-3x3y)2•(-xy)3(6a-5b)(a+4b)
3x(x-3)(x-4)(5x+5y-3)2
10.3×
9.729982
(2a)3•b4•6a2b(4x3y4-3x2y3z3)•3x2y2
3(x-4)2+(3x-3)(4x-1)4(y+z)2-(2y+z)(3y+z)
x2-y2(p-d)(x+y)-(p-d)(x+y)
a2-12ax+36x24+8(c+q)+4(c+q)2
b3-4bx4-256
(2xy3)2•(-xy2)3(a-b)(2a-4b)
-2x(x+4)(x+5)(x+y-3)2
10.2×
9.840032
(9a)2•b4•10a2b2(5x4y4-x2y3z3)•7x2y2
2(x-4)2-(3x-3)(2x-5)2(y-z)2-(3y+z)(3y-z)
36x2-9y2(c+n)(3x-y)+(c+n)(4x+y)
a2-16ay+64y236-72(m+c)+36(m+c)2
b3-81bx4-81
(3xy2)3•(-xy)2(4a-6b)(a+4b)
3x(x+2)(x+5)(3x-6y-4)2
69.64002
(4a)2•b3•18a2b2(9x2y4-x3y4z4)•3x2y2
(x-2)2-(4x-2)(2x-1)4(y-z)2+(2y-z)(4y+z)
81x2-y2(n-b)(6x-y)-(n-b)(x-y)
a2+14ay+49y216-32(a+m)+16(a+m)2
a3-9a16x4-81
(2x3y3)2•(x3y)2(a-2b)(6a-4b)
-3x(x+5)(x-3)(x-y-2)2
6.2×
5.82042
(7a)2•b2•10ab(7x4y4+2x3y4z4)•xy
2(x-3)2+(3x+4)(3x-2)2(y-z)2-(2y-z)(3y+z)
4x2-25y2(a+m)(3x-4y)-(a+m)(x-y)
a2+4ab+4b225+40(p+c)+16(p+c)2
a3-64ax4-256