人教版初二数学上册整式的乘法和因式分解练习题大全83Word文档格式.docx
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(-2x3y)3•(-x2y3)3(a+b)(6a+b)
-3x(x-5)(x+3)(5x+6y-1)2
3.2×
2.86002
(5a)3•b3÷
10a2b2(3x3y2+x2y3z4)÷
2x2y
(x+3)2-(3x-3)(4x-3)2(y+z)2-(2y-z)(2y+z)
81x2-9y2(d+n)(x-y)+(d+n)(2x-2y)
a2+10ab+25b225+60(m+d)+36(m+d)2
b3-81bx4-81
(2xy3)3•(-x2y)3(a-3b)(2a+5b)
-3x(x+5)(x+2)(3x+2y+3)2
30.1×
29.91972
(4a)2•b4÷
10ab(5x4y3+x4y3z4)•4xy2
(x+4)2+(4x+3)(4x+3)3(y+z)2+(3y-z)(4y-z)
49x2-81y2(n-d)(6x+2y)+(n-d)(x-2y)
a2-6am+9m29-42(b-m)+49(b-m)2
b3-100bx4-1
(2xy)2•(x3y)3(a+b)(a-b)
3x(x-2)(x+4)(x-6y+1)2
70.3×
69.749992
(6a)2•b2•8ab2(x2y4+x4y2z3)÷
4x2y
4(x-3)2-(3x+1)(2x+2)3(y-z)2-(3y+z)(3y-z)
49x2-y2(q-c)(3x+3y)-(q-c)(x-y)
a2+6ax+9x24+12(q-a)+9(q-a)2
a3-100ax4-256
(2xy3)3•(-x3y)2(6a+6b)(3a+b)
-3x(x+5)(x+2)(x+3y+4)2
1.1×
0.97952
(7a)2•b4÷
4ab2(7x3y3+6x4y3z4)÷
7xy2
(x-3)2-(2x+5)(3x-4)3(y-z)2-(3y-z)(3y+z)
4x2-y2(a-m)(x+y)+(a-m)(6x+y)
a2-4an+4n225-60(p+c)+36(p+c)2
c3-25cx4-16
(3x3y)3•(-x2y)2(3a+b)(5a+b)
3x(x-1)(x-2)(2x+y+2)2
40.2×
39.879952
(3a)3•b2•18ab2(x2y3+5x3y2z4)÷
xy2
(x-1)2-(3x+2)(2x+4)(y-z)2+(2y+z)(2y-z)
64x2-16y2(a+n)(x-5y)-(a+n)(5x-y)
a2+4ab+4b236-72(n-d)+36(n-d)2
b3-100bx4-256
(-3xy)2•(xy2)2(a+b)(a-2b)
2x(x+3)(x+5)(x-2y+2)2
70.4×
69.699962
(9a)2•b3÷
6ab(4x3y4+x3y3z4)÷
x2y
2(x-3)2-(4x-4)(2x+1)(y-z)2-(3y-z)(3y+z)
25x2-y2(c+p)(4x-y)+(c+p)(x-6y)
a2-6an+9n29+18(c-p)+9(c-p)2
a3-81a81x4-256
(3xy)2•(x3y2)2(a+6b)(a+b)
-3x(x+1)(x-3)(4x+y-4)2
0.96962
(3a)3•b4÷
10ab2(x2y4-4x3y2z3)÷
3xy
(x+4)2-(3x-5)(2x+5)(y-z)2+(3y-z)(4y+z)
49x2-25y2(p-b)(x-4y)-(p-b)(x-2y)
a2+12ab+36b29-42(a-p)+49(a-p)2
c3-49cx4-81
(2x2y3)3•(-x3y)2(a+5b)(a+b)
2x(x+4)(x-2)(x+3y+3)2
40.4×
39.639992
(2a)2•b2÷
12ab(x3y2+x4y4z4)•2xy2
2(x+3)2-(2x-1)(2x-2)4(y+z)2-(4y-z)(3y-z)
36x2-9y2(m-b)(5x-3y)-(m-b)(2x-y)
a2+18am+81m236-24(a+n)+4(a+n)2
a3-64a81x4-256
(-2x3y2)3•(-xy2)2(a-b)(6a+4b)
3x(x+4)(x-4)(x-y-4)2
6.3×
5.73982
(8a)3•b3•14ab(3x4y2+6x3y2z3)•x2y2
(x+2)2+(2x-4)(2x+2)(y-z)2-(4y-z)(2y+z)
x2-9y2(d+q)(x-3y)-(d+q)(x+5y)
a2-6ab+9b24+16(c+p)+16(c+p)2
d3-100d16x4-256
(-2x2y2)3•(-x2y)2(5a-b)(2a-3b)
-3x(x+4)(x-4)(5x-5y+2)2
6.4×
5.64002
(8a)2•b4•20a2b(x4y4-4x2y3z3)•x2y
(x-1)2+(2x-5)(3x+1)3(y+z)2-(2y-z)(2y-z)
x2-9y2(a+p)(2x-y)+(a+p)(4x+2y)
a2+16ab+64b29-18(q+d)+9(q+d)2
d3-16d81x4-256
(3xy)3•(-xy2)3(a-b)(a+b)
-2x(x+2)(x-3)(6x+y-4)2
60.1×
59.92952
(9a)2•b2÷
18ab(x4y3-x2y4z3)•4xy
(x-4)2-(3x+4)(2x+3)3(y+z)2-(4y+z)(2y+z)
x2-81y2(p-b)(x-6y)+(p-b)(x+y)
a2-18am+81m24+24(a+q)+36(a+q)2
c3-4cx4-16
(-2xy)3•(-x2y)3(2a-b)(a-b)
-2x(x-3)(x+2)(x-6y+2)2
59.91012
(2a)2•b3÷
8a2b(2x4y4-5x4y3z4)•xy2
3(x-2)2+(4x-1)(4x-3)(y+z)2+(2y-z)(2y+z)
81x2-y2(n+c)(3x+6y)+(n+c)(3x-y)
a2-18ab+81b225-60(m-d)+36(m-d)2
(2x2y3)2•(xy)3(a-b)(a-3b)
2x(x-4)(x+4)(x+y+4)2
90.4×
89.630012
(4a)2•b2÷
16ab2(9x3y4+x3y2z4)•x2y2
(x+3)2+(3x-4)(3x-4)3(y+z)2-(2y+z)(4y+z)
x2-100y2(m-c)(x-y)+(m-c)(6x+y)
a2-18ax+81x216+40(p-d)+25(p-d)2
b3-64bx4-81
(3xy3)2•(xy)3(a+b)(a-3b)
-2x(x-2)(x+4)(x+5y-2)2
60.3×
59.719972
4a2b(6x4y4+x2y2z2)•xy
3(x-4)2-(4x+2)(4x-2)2(y+z)2+(2y-z)(3y+z)
x2-64y2(p+d)(2x-y)-(p+d)(6x+y)
a2+4ax+4x216+16(n+c)+4(n+c)2
b3-81bx4-16
(-3xy)2•(-x2y2)3(a-b)(a+b)
-2x(x+1)(x+2)(4x-y+3)2
69.61982
(7a)2•b3÷
12a2b(4x3y2+x3y2z4)•6xy
3(x-2)2+(3x-2)(4x+1)3(y-z)2-(4y+z)(4y+z)
x2-y2(d-n)(4x+y)-(d-n)(x-3y)
a2-12ay+36y236+60(b-q)+25(b-q)2
b3-25bx4-1
(-2x3y)2•(-xy2)2(a+b)(a+b)
2x(x-5)(x+1)(x-5y-4)2
8.2×
7.86962
(7a)3•b4•8a2b2(4x4y2+5x2y3z4)•9x2y
3(x-4)2+(3x-4)(4x-1)(y+z)2-(2y-z)(4y-z)
81x2-4y2(p+b)(2x+6y)+(p+b)(x+y)
a2+8ax+16x225+60(d-n)+36(d-n)2
c3-81cx4-81
(-2x3y)3•(-x3y)3(2a+b)(5a+b)
3x(x+3)(x+4)(5x-y+2)2
5.3×
4.760022
(9a)2•b2•12ab2(x3y4+6x2y3z4)•x2y2
3(x+1)2-(2x+5)(4x+3)2(y+z)2-(2y-z)(3y+z)
x2-36y2(q-d)(6x-y)-(q-d)(3x+y)
a2+8ax+16x29-30(n-a)+25(n-a)2
c3-16cx4-81
(-3x2y)3•(x2y)2(a+b)(a-b)
3x(x-5)(x+2)(x+4y-2)2
2.3×
1.740012
(2a)3•b3÷
20a2b2(x2y4-x3y2z2)•8x2y
(x+3)2-(3x+5)(3x+3)4(y+z)2+(2y-z)(3y-z)
x2-y2(n+c)(4x+y)-(n+c)(4x-y)
a2+14ab+49b29+30(d+n)+25(d+n)2
d3-64dx4-16
(-2x3y)3•(x3y)3(3a+6b)(a+b)
2x(x+1)(x+2)(x-y+3)2
5.4×
4.619962
(4a)3•b3•20ab2(x3y3-5x3y3z3)•4x2y
2(x-3)2+(3x+5)(2x+1)(y-z)2-(4y-z)(3y-z)
4x2-36y2(d+q)(2x-y)+(d+q)(4x+y)
a2-6ax+9x216-24(c-n)+9(c-n)2
a3-16a81x4-1
(2x2y2)3•(-xy2)2(6a+6b)(2a+b)
3x(x-2)(x-1)(2x+y+2)2
50.3×
49.74002
(9a)3•b4÷
2ab(x2y2+8x3y3z4)÷
3(x+1)2-(4x-5)(2x-4)4(y+z)2+(4y-z)(3y-z)
49x2-4y2(b-n)(3x+y)-(b-n)(5x+3y)
a2-18ab+81b236-60(m+a)+25(m+a)2
b3-49bx4-256
(3xy)2•(-xy2)3(6a+6b)(a-3b)
3x(x-3)(x-2)(6x+y+3)2
40.1×
39.94952
(5a)2•b3÷
14a2b2(x3y3+x4y4z4)•2x2y2
2(x+3)2+(4x+2)(3x-4)4(y+z)2+(4y+z)(2y+z)
x2-y2(c+n)(x+y)+(c+n)(x+4y)
a2-18ax+81x236+72(m+d)+36(m+d)2
c3-4c16x4-1
(-2x3y3)2•(-xy)3(5a-2b)(5a-5b)
3x(x+2)(x-1)(x+6y+3)2
4.2×
3.859992
(4a)3•b4•4ab(x2y2-4x3y3z3)•x2y
(x-1)2+(3x-3)(3x+5)(y-z)2-(2y-z)(2y-z)
64x2-36y2(a-p)(x-3y)-(a-p)(x-y)
a2+6am+9m24+24(n-d)+36(n-d)2
c3-4cx4-1
(-3xy)2•(x2y)3(a-6b)(6a+b)
2x(x-5)(x+4)(2x+4y-3)2
2.1×
1.979992
(4a)3•b4÷
14a2b2(6x4y3-6x4y4z2)•4x2y
(x-2)2+(2x+2)(3x-4)3(y+z)2-(4y-z)(2y+z)
100x2-81y2(q-c)(x-6y)-(q-c)(6x-y)
a2-8ay+16y29-42(m-b)+49(m-b)2