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8文档格式.docx
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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8文档格式.docx
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2x(x+4)(x-3)(5x-y-1)2
4.3×
3.74012
(3a)3•b4•4a2b(x3y4-6x3y3z4)•5x2y
(x+1)2-(3x-1)(3x+2)(y-z)2+(2y+z)(3y-z)
81x2-y2(a+q)(x-y)+(a+q)(x-6y)
a2+18ab+81b236-36(c+q)+9(c+q)2
b3-49b81x4-256
(-3xy)3•(-x3y)3(4a+b)(4a+6b)
3x(x+1)(x+3)(x-y+4)2
80.2×
79.83022
(8a)3•b3•20ab(4x4y4-9x3y4z2)•xy
(x+3)2-(2x+5)(4x-4)2(y+z)2-(3y-z)(4y-z)
9x2-9y2(d-m)(x+2y)-(d-m)(2x+y)
a2+20an+100n216+24(p+b)+9(p+b)2
b3-25b81x4-16
(-3xy)2•(-xy)2(5a+b)(a+b)
-3x(x-3)(x-2)(x+4y-1)2
5.2×
4.88032
(9a)2•b4÷
10ab2(x4y4-8x4y2z2)•9x2y
(x-3)2+(2x-5)(2x+4)3(y-z)2-(3y-z)(3y+z)
100x2-y2(d+m)(x+y)+(d+m)(x+y)
a2+20an+100n216-56(p-c)+49(p-c)2
d3-4dx4-16
(-3xy)3•(x2y3)3(a-b)(2a+b)
2x(x-2)(x-5)(x+5y-1)2
4.2×
3.829982
(7a)2•b4•20ab2(5x4y3-7x2y2z4)÷
x2y2
(x-3)2-(3x+5)(4x-4)3(y-z)2+(2y+z)(4y+z)
9x2-y2(d+q)(x-4y)+(d+q)(x-2y)
a2-4ay+4y236+24(a+q)+4(a+q)2
b3-36b16x4-1
(-3xy)3•(-xy3)2(4a+b)(a-b)
3x(x+5)(x+3)(x+y-2)2
3.779982
(8a)2•b3÷
14ab2(7x2y4+x4y2z2)÷
xy2
4(x-3)2-(2x+4)(4x-4)3(y-z)2+(2y-z)(2y-z)
36x2-49y2(p-d)(x+y)-(p-d)(x+y)
a2+14am+49m216-56(p-b)+49(p-b)2
b3-36bx4-16
(3xy)2•(-xy)2(a+6b)(a+b)
2x(x+4)(x-2)(x-4y-4)2
8.3×
7.720052
(5a)2•b4•18a2b(4x2y2-7x4y4z3)÷
3xy
4(x+2)2+(4x+4)(3x-2)(y-z)2-(4y-z)(2y+z)
x2-25y2(c+m)(x+y)-(c+m)(5x+6y)
a2-16ay+64y236+48(q-b)+16(q-b)2
d3-9dx4-16
(-3xy)3•(-xy3)3(5a-5b)(2a-b)
-2x(x+5)(x-2)(x+y-4)2
2.4×
1.670002
4ab2(x3y2-4x3y3z4)•xy
(x-3)2+(4x-2)(3x-1)4(y-z)2-(4y-z)(2y+z)
x2-49y2(m-b)(x-y)+(m-b)(6x+6y)
a2+14ay+49y29+30(a+q)+25(a+q)2
d3-25dx4-256
(3xy)3•(xy3)3(3a+5b)(a+b)
2x(x+3)(x+4)(x-3y-1)2
9.2×
8.87032
(7a)3•b3•20a2b2(4x2y2-8x4y2z4)÷
x2y
(x-3)2+(4x-1)(3x-4)(y+z)2+(2y+z)(4y-z)
4x2-16y2(a+m)(4x-y)-(a+m)(x+y)
a2+18ax+81x24+16(n+a)+16(n+a)2
b3-49bx4-1
(-2xy)3•(-xy3)3(6a+b)(a+3b)
2x(x+1)(x+2)(3x-y+4)2
9.1×
8.960052
(3a)2•b2÷
20ab(6x3y2-2x2y4z2)÷
7x2y
(x+1)2-(4x+1)(3x-2)(y+z)2+(4y-z)(4y+z)
x2-9y2(n-d)(4x+3y)+(n-d)(x+y)
a2+4ax+4x216-16(n-d)+4(n-d)2
d3-100d81x4-81
(2xy2)2•(x3y2)2(2a+2b)(6a-2b)
2x(x+4)(x-2)(x-y-2)2
10.1×
9.98952
(8a)2•b2÷
14ab2(x3y3-x4y3z3)÷
(x+2)2+(2x-1)(2x+5)3(y+z)2+(2y+z)(4y-z)
16x2-y2(a-p)(5x+5y)-(a-p)(x-y)
a2-8am+16m29+18(c-q)+9(c-q)2
b3-25bx4-81
(-3x2y)3•(x3y)2(a+b)(5a-3b)
2x(x+2)(x-4)(2x-y+3)2
6.3×
5.76052
(3a)3•b4•2ab(x2y4+x4y3z4)÷
(x-1)2-(4x-2)(4x+4)(y-z)2-(4y+z)(3y-z)
x2-9y2(m-d)(3x+y)-(m-d)(x-3y)
a2+4ax+4x225+50(a-n)+25(a-n)2
c3-81cx4-81
(3x3y2)3•(xy2)2(5a-3b)(4a+3b)
2x(x+1)(x+5)(x-y+4)2
9.3×
8.710042
(2a)2•b3•4ab(4x2y3-7x3y4z3)÷
xy
(x-3)2+(3x-1)(2x-4)4(y+z)2+(3y-z)(3y-z)
x2-9y2(n+d)(x+2y)+(n+d)(6x-y)
a2+18ax+81x225-20(q-d)+4(q-d)2
b3-16b81x4-16
(-3xy)2•(xy3)3(4a+2b)(4a+b)
-3x(x-1)(x-4)(2x-6y-3)2
9.95982
(5a)3•b2•16a2b2(8x4y4+x4y4z2)•x2y
3(x-1)2+(2x+2)(2x+4)(y-z)2+(2y+z)(2y-z)
x2-100y2(m+d)(4x-y)-(m+d)(3x+6y)
a2-14ab+49b236+24(d-p)+4(d-p)2
d3-81dx4-256
(3x2y3)3•(-xy)3(a-3b)(a-b)
3x(x+1)(x-4)(6x+y+1)2
20.2×
19.829982
(8a)3•b4÷
10ab2(7x4y3-4x4y2z4)•xy
(x-1)2+(2x-1)(3x+1)(y-z)2-(4y-z)(4y-z)
81x2-y2(d+m)(x+4y)-(d+m)(5x-y)
a2+8an+16n216-24(a-n)+9(a-n)2
c3-9cx4-16
(-2xy)3•(xy)2(a-3b)(5a+b)
2x(x-5)(x-3)(5x-y-2)2
3.4×
2.67002
(9a)2•b3•4ab2(x3y2-x2y3z2)•x2y
2(
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