人教版初二数学上册整式的乘法和因式分解练习题大全99Word格式文档下载.docx
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人教版初二数学上册整式的乘法和因式分解练习题大全99Word格式文档下载.docx
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d3-25dx4-16
(-3xy)2•(xy)3(a+6b)(a+2b)
-3x(x+4)(x+3)(2x+y+3)2
70.4×
69.660022
(5a)2•b2•18ab(x4y3+9x4y4z3)÷
xy
4(x-1)2-(3x-3)(3x+5)(y-z)2-(2y+z)(2y+z)
4x2-9y2(q+b)(6x-y)+(q+b)(x-5y)
a2-4am+4m225+40(a+q)+16(a+q)2
a3-16ax4-1
(-2xy)3•(xy2)3(6a-b)(6a+2b)
-3x(x+5)(x+3)(4x+y+3)2
80.3×
79.710042
(5a)3•b4•12ab(9x4y2-3x4y4z4)÷
x2y
(x+4)2+(3x+3)(4x+5)2(y-z)2+(4y+z)(4y-z)
16x2-y2(d-m)(2x-5y)+(d-m)(5x+5y)
a2+6ax+9x225-30(n-b)+9(n-b)2
a3-9ax4-256
(2xy3)2•(xy3)3(a-b)(3a+b)
2x(x-4)(x-5)(x+y+3)2
8.4×
7.6982
(6a)2•b4•8a2b2(x4y2-2x4y4z3)•5xy2
(x+4)2+(4x-1)(4x+3)2(y-z)2+(3y-z)(2y+z)
9x2-y2(n+d)(x+5y)-(n+d)(x+2y)
a2-10ab+25b236+24(n+d)+4(n+d)2
b3-49bx4-16
(3xy2)2•(x3y2)3(a-b)(5a-3b)
2x(x-2)(x-2)(x+2y-3)2
30.1×
29.93972
(4a)3•b2÷
18ab2(9x3y4-x4y4z3)÷
7x2y
3(x-1)2+(3x+1)(3x+2)4(y+z)2+(2y-z)(2y+z)
x2-y2(b-n)(x+y)-(b-n)(x-y)
a2+12ax+36x216-48(n-b)+36(n-b)2
d3-9dx4-256
(3xy)3•(x2y2)2(a+b)(a+b)
-3x(x-2)(x-4)(2x-6y+2)2
3.4×
2.6100032
(6a)2•b2÷
2a2b(x4y3-5x3y3z2)•7xy2
(x-1)2+(4x-1)(2x-1)(y+z)2+(3y+z)(3y-z)
x2-y2(m-c)(x-y)+(m-c)(x+5y)
a2-4ax+4x225+30(a+p)+9(a+p)2
d3-36dx4-256
(-2x3y)3•(xy3)3(3a+b)(3a-b)
-2x(x-2)(x+3)(x-y-3)2
10.2×
9.82012
(8a)3•b2÷
2ab(3x2y2+x3y3z2)•x2y2
3(x-1)2+(4x+5)(2x-3)(y-z)2-(3y+z)(2y-z)
81x2-y2(d+m)(4x+y)+(d+m)(3x-y)
a2+20an+100n236-24(d-q)+4(d-q)2
b3-16bx4-1
(3x3y2)3•(-xy2)2(a-b)(4a-b)
3x(x+3)(x+2)(5x-y-3)2
70.1×
69.98952
(2a)3•b3•10ab2(x3y2-x3y2z3)•x2y
(x-2)2+(4x-4)(4x+4)(y-z)2+(2y+z)(4y-z)
x2-y2(p-a)(2x+y)+(p-a)(2x+3y)
a2+12an+36n24-16(p+a)+16(p+a)2
a3-4a81x4-256
(2x2y)3•(xy3)3(a-b)(5a-2b)
3x(x+2)(x+3)(2x-y-4)2
7.1×
6.99982
(7a)2•b4÷
16ab(3x4y4-x2y2z4)÷
xy2
3(x+3)2-(4x+4)(2x+2)3(y-z)2-(4y-z)(2y+z)
x2-9y2(d+p)(2x+2y)+(d+p)(6x-y)
a2-14ab+49b225+60(b+q)+36(b+q)2
d3-100dx4-16
(3x2y)3•(xy)2(6a-6b)(a+3b)
-2x(x-4)(x+1)(6x-4y+3)2
30.4×
29.67962
(5a)2•b4•8a2b2(x3y4+x4y2z2)•6xy2
(x-2)2+(3x-1)(3x-4)3(y-z)2+(2y+z)(3y+z)
x2-y2(b-n)(x-4y)+(b-n)(x-4y)
a2-18am+81m236-48(c-q)+16(c-q)2
b3-25b16x4-81
(-2x3y)2•(xy)3(a-b)(a+5b)
3x(x-3)(x-2)(5x-4y+4)2
6.1×
5.95952
(2a)3•b3÷
18ab2(8x3y4+8x2y3z3)÷
4x2y
2(x+3)2+(3x+5)(3x+3)3(y-z)2+(3y+z)(2y-z)
x2-y2(m+d)(x-y)+(m+d)(x-3y)
a2+4ay+4y225+40(q+d)+16(q+d)2
c3-16cx4-81
(3xy)3•(-xy2)3(3a-b)(a-b)
-3x(x-1)(x+4)(3x-2y-3)2
6.4×
5.679982
10a2b(8x4y2-8x2y3z4)•xy
(x-2)2+(2x+4)(2x-2)3(y-z)2+(2y+z)(3y+z)
x2-81y2(b-n)(2x-y)+(b-n)(3x-2y)
a2+18ab+81b216-16(q-a)+4(q-a)2
d3-4dx4-81
(-2xy3)2•(x3y2)2(a-b)(a+4b)
-2x(x-4)(x+4)(4x-3y-4)2
60.4×
59.6100022
(4a)2•b4÷
18a2b2(x3y4-x4y4z4)÷
3(x-4)2+(2x-3)(2x+4)(y+z)2+(4y+z)(3y-z)
64x2-y2(n+a)(x-y)-(n+a)(6x-y)
a2+12ax+36x24-24(d+m)+36(d+m)2
(-2x3y3)2•(xy)2(3a-3b)(6a-4b)
-2x(x+5)(x+1)(x-y+3)2
6.3×
5.79002
(5a)2•b3÷
18ab(5x4y2-4x4y3z4)÷
5xy2
(x-4)2-(2x+1)(3x-5)4(y+z)2-(3y+z)(3y+z)
36x2-100y2(p-a)(x+y)+(p-a)(3x-y)
a2-10am+25m29-18(b+p)+9(b+p)2
b3-9bx4-81
(2x2y3)2•(-xy2)3(4a-b)(a-b)
2x(x+4)(x-4)(2x-4y+1)2
8.2×
7.890012
6ab(5x4y2+2x2y3z2)•xy
(x+2)2+(2x+5)(2x-4)2(y+z)2-(2y+z)(2y+z)
x2-36y2(a-q)(x-5y)+(a-q)(x-y)
a2+12am+36m24-12(c-p)+9(c-p)2
b3-25b81x4-16
(-3xy)2•(-x3y2)3(2a-2b)(6a-b)
2x(x+5)(x+3)(6x+2y+2)2
40.1×
39.95992
(2a)3•b3•8ab2(x4y2-9x4y2z2)•3x2y2
3(x+1)2-(3x-4)(4x+4)(y-z)2-(2y-z)(2y+z)
x2-y2(c-q)(5x-4y)+(c-q)(5x-y)
a2-20ab+100b24+20(c-m)+25(c-m)2
d3-4d16x4-256
(-2xy2)2•(xy)2(a+5b)(4a+5b)
-2x(x+1)(x-3)(x+5y+3)2
20.1×
19.92042
(8a)3•b4÷
6a2b(x4y2-4x3y3z3)÷
7xy
(x-1)2+(2x+2)(3x+3)3(y+z)2+(4y+z)(3y+z)
9x2-y2(a-p)(x-y)-(a-p)(x-y)
a2-4ab+4b216+24(n-a)+9(n-a)2
a3-25ax4-256
(2xy2)3•(-xy)2(a-b)(6a+b)
3x(x-1)(x+2)(2x+2y+4)2
59.629972
(9a)2•b2÷
18a2b2(x3y2+x4y4z3)÷
9xy2
(x-1)2+(4x+4)(2x-3)3(y-z)2-(4y-z)(4y+z)
x2-25y2(p+d)(x-y)+(p+d)(6x+y)
a2-6ab+9b225+20(c-q)+4(c-q)2
b3-81b81x4-1
(2x3y3)2•(x3y2)3(4a-4b)(6a-3b)
-2x(x+3)(x-4)(x+y+4)2
40.4×
39.62972
6ab(x2y4-4x4y3z3)•xy2
(x+4)2+(3x+4)(2x+4)2(y+z)2+(4y-z)(3y-z)
100x2-25y2(b-n)(x-6y)+(b-n)(x-y)
a2+10ay+25y225-60(q-b)+36(q-b)2
c3-36cx4-16
(-3x3y2)2•(xy3)2(a-b)(4a-b)
3x(x-3)(x-2)(6x+y-1)2
2.610002
(5a)3•b2÷
10ab2(4x4y4+x4y4z3)•6xy2
(x+4)2-(2x+1)(3x-5)3(y+z)2-(2y-z)(3y-z)
x2-49y2(c-q)(x+y)+(c-q)(x-2y)
a2-6ay+9y216+40(m+c)+25(m+c)2
c3-64cx4-81
(2x3y2)3•(x2y)2(6a+b)(6a-2b)
-2x(x+2)(x+2)(x-y+3)2
20.2×
19.840012
(2a)2•b4•16ab2(3x4y3+x4y4z2)•x2y
3(x+2)2+(4x-4)(2x-2)4(y-z)2+(2y-z)(3y-z)
x2-y2(d-q)(x-3y)+(d-q)(2x-4y)
a2+6ax+9x216+16(q-a)+4(q-a)2
c3-9cx4-256
(-3x2y)2•(xy2)3(5a-b)(2a+b)
-2x(x-1)(x+3)(5x+y+2)2
9.3×
8.719982
(2a)3•b3•20a2b2(x2y3+x3y3z2)÷
4xy
(x-1)2+(4x-1)(2x+1)(y+z)2-(3y+z)(4y+z)
x2-16y2(c+m)(5x+y)-(c+m)(4x-y)
a2+8ax+16x216-16(m-c)+4(m-c)2
d3-100dx4-256
(2x2y)2•(xy)2(5a+5b)(a-b)
-2x(x+2)(x-2)(2x+3y+3)2
70.3×
69.750032
(5a)3•b2•14a2b(5x3y4+6x2y4z2)•x2y2
2(x-1)2-(3x+3)(4x+5)(y-z)2-(2y+z)(4y+z)
9x2-100y2(b-q)(x+y)-(b-q)(5x+6y)
a2+18an+81n216-16(p+a)+4(p+a)2
c3-4cx4-256
(3xy3)3•(-xy)2(3a-b)(a-6b)
2x(x-3)(x-1)(5x-2y-4)2
89.99042
(7a)3•b4•8a2b2(2x2y4-5x4y3z2)•4xy2
(x-3)2+(3x-2)(4x+5)3(y-z)2+(4y+z)(4y-z)
64x2-9y2(p+c)(x+6y)+(p+c)(4x-y)
a2-6ab+9b216+32(c-n)+16(c-n)2
a3-64a81x4-16
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