人教版初二数学上册整式的乘法和因式分解练习题大全35Word格式.docx
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b3-25b81x4-1
(3xy2)3•(x2y)3(a+6b)(6a-b)
-3x(x-3)(x-3)(6x+y-2)2
5.2×
4.889962
(4a)3•b3•6ab2(9x2y4+7x2y3z2)•9xy2
(x-3)2-(3x-2)(4x+2)(y-z)2-(3y-z)(2y-z)
49x2-49y2(m+c)(3x+2y)-(m+c)(2x-6y)
a2-16ab+64b29-30(n+c)+25(n+c)2
b3-49b16x4-256
(-2x3y)2•(-x3y3)2(3a-b)(a-4b)
-3x(x-5)(x+1)(x-4y-4)2
3.4×
2.699982
(5a)3•b3•10ab2(x2y4+x4y2z2)•6x2y
(x+4)2-(2x+2)(2x+5)4(y-z)2+(3y-z)(4y+z)
9x2-25y2(n+d)(3x+2y)+(n+d)(5x-6y)
a2+16am+64m24-28(a+p)+49(a+p)2
c3-36cx4-81
(2xy)2•(xy3)2(3a+4b)(a-4b)
-3x(x-3)(x+4)(x+2y+1)2
40.3×
39.7982
6a2b2(8x3y2+x4y3z3)•2xy2
(x+3)2-(4x+3)(2x-2)(y-z)2-(3y-z)(2y+z)
x2-y2(p+d)(x+y)+(p+d)(x-5y)
a2-16ax+64x216+16(d+n)+4(d+n)2
b3-16bx4-81
(2x3y2)3•(-x2y2)3(a+b)(a-2b)
2x(x+1)(x+4)(5x-5y+1)2
90.1×
89.98982
(7a)3•b4÷
16a2b(6x2y2-x3y3z4)÷
6xy2
2(x-1)2-(4x-1)(4x-2)(y+z)2-(4y+z)(2y+z)
x2-y2(d-n)(x-3y)+(d-n)(x+y)
a2+18ab+81b225+20(n+d)+4(n+d)2
b3-64bx4-81
(3x2y)2•(x2y)3(a-b)(3a-b)
-3x(x+5)(x+2)(3x+y+2)2
4.2×
3.840002
(5a)2•b3•18a2b(x3y4-7x4y2z4)•2xy2
(x-3)2-(4x+3)(4x-4)(y-z)2-(2y+z)(4y+z)
x2-4y2(c-p)(2x-6y)-(c-p)(4x-y)
a2-12ax+36x29-42(b-m)+49(b-m)2
d3-49dx4-81
(-2xy)2•(-x2y2)2(6a-b)(a-3b)
2x(x-3)(x+2)(4x-y-3)2
50.4×
49.670052
(8a)2•b3÷
16a2b2(4x4y4-4x3y4z3)÷
x2y
4(x+3)2+(2x+4)(2x-2)3(y-z)2+(2y+z)(2y-z)
x2-36y2(d+p)(x-y)+(d+p)(6x-y)
a2+18ay+81y216+40(q+a)+25(q+a)2
d3-36d16x4-81
(2xy)3•(xy2)2(2a+3b)(a-2b)
-3x(x-4)(x-5)(x-y+2)2
70.1×
69.929972
(5a)3•b4÷
20ab(9x2y3-x2y3z2)•x2y2
4(x+2)2-(2x-3)(2x-1)(y-z)2-(3y+z)(3y+z)
x2-y2(p-b)(5x+4y)-(p-b)(x+5y)
a2-10am+25m216-16(q+b)+4(q+b)2
a3-81ax4-256
(2x3y3)3•(x2y)2(2a-4b)(6a+2b)
-2x(x+1)(x-1)(x-6y-3)2
70.3×
69.749972
(9a)3•b2÷
6a2b2(x2y2+9x4y2z2)•2xy
(x+2)2+(3x-5)(4x-2)3(y-z)2+(4y-z)(4y-z)
36x2-81y2(b+n)(3x+5y)+(b+n)(x-y)
a2-10an+25n29+12(p-c)+4(p-c)2
b3-4bx4-1
(-2xy)3•(x2y)2(a+b)(2a+b)
2x(x-3)(x+5)(6x-5y+3)2
69.970052
(6a)3•b3•6ab2(x3y2+x3y2z2)÷
2x2y
(x-1)2-(3x+4)(3x+1)3(y+z)2-(4y-z)(3y-z)
36x2-y2(b+m)(3x+6y)-(b+m)(x+y)
a2+20an+100n24-8(a+p)+4(a+p)2
a3-16a81x4-16
(-2xy)2•(x3y3)3(5a+b)(a-5b)
-2x(x+3)(x+5)(3x+y-3)2
2.890002
(5a)2•b4÷
18a2b2(x4y3-5x2y2z3)÷
xy2
(x-4)2+(4x+4)(4x+5)(y-z)2+(2y-z)(3y-z)
36x2-y2(b+q)(x-y)-(b+q)(3x-3y)
a2-20ab+100b236+72(m+c)+36(m+c)2
b3-9bx4-81
(-2xy2)3•(-xy)3(5a-b)(a-3b)
-3x(x-4)(x+2)(x+2y+2)2
30.2×
29.85992
(5a)3•b3•18ab(4x2y2-7x3y4z2)÷
8xy2
(x-1)2-(3x-2)(2x-1)3(y+z)2-(3y+z)(3y+z)
25x2-100y2(p-b)(4x+4y)-(p-b)(2x+y)
a2+12ay+36y225+60(a-n)+36(a-n)2
b3-16b81x4-256
(2x2y)3•(-x3y)3(a+b)(2a-b)
3x(x-5)(x-4)(5x-4y-4)2
10.1×
9.979982
(9a)2•b2•8ab(x4y2+x2y4z3)÷
7xy2
4(x-2)2-(2x-3)(2x-3)(y-z)2+(3y-z)(3y+z)
x2-y2(p+d)(5x+2y)+(p+d)(3x-y)
a2-10ax+25x225+20(a-p)+4(a-p)2
b3-100bx4-1
(-3xy)3•(-x2y)2(a+b)(4a+4b)
-2x(x+1)(x+2)(x+6y-3)2
90.3×
89.77022
(6a)2•b2•14a2b2(5x2y3-x4y3z3)•9x2y
(x+4)2+(4x-5)(3x+1)3(y+z)2-(4y+z)(4y+z)
x2-49y2(q+d)(3x+5y)-(q+d)(6x+y)
a2-6an+9n29+12(p+c)+4(p+c)2
b3-81b16x4-81
(-3x3y2)3•(xy)3(3a-b)(5a-b)
-2x(x-4)(x-4)(x+4y+4)2
6.4×
5.62992
(2a)2•b3÷
20ab(x4y2-7x4y4z2)•xy
2(x-3)2+(2x-5)(3x-2)(y-z)2-(3y+z)(4y+z)
36x2-49y2(m+d)(2x-4y)+(m+d)(x+y)
a2+18ay+81y24+28(a-m)+49(a-m)2
d3-25dx4-1
(-2x3y)2•(xy3)3(5a+4b)(a-b)
-2x(x-3)(x-2)(6x+3y-1)2
69.9100002
(7a)2•b4•2ab(x4y2+5x3y2z3)÷
(x-1)2+(2x+1)(4x-5)2(y-z)2+(3y+z)(3y+z)
x2-9y2(b-m)(2x-2y)-(b-m)(5x+2y)
a2-18ax+81x236+60(p+a)+25(p+a)2
b3-9bx4-16
(-2x2y)3•(-x2y2)3(a-b)(6a+b)
3x(x-3)(x+1)(6x+y-1)2
2.4×
1.669982
(9a)2•b2•16ab(6x2y2-5x4y2z4)•3xy2
3(x+4)2+(3x+1)(2x+3)3(y+z)2+(3y-z)(4y-z)
x2-64y2(c+m)(x-6y)-(c+m)(5x-y)
a2-8am+16m216+56(b+n)+49(b+n)2
(-3x3y)2•(-x3y3)2(a-4b)(4a-2b)
-2x(x+5)(x-1)(x-6y+2)2
10.3×
9.78982
(6a)3•b4÷
20a2b(x3y3-9x4y3z4)÷
4xy2
2(x+3)2+(2x-2)(3x-1)2(y+z)2-(4y+z)(2y+z)
49x2-y2(p+a)(4x+6y)+(p+a)(6x-5y)
a2-12ab+36b24-24(c-n)+36(c-n)2
c3-36cx4-1
(2x3y)3•(-xy)2(4a-b)(2a-b)
-2x(x+2)(x+2)(5x-5y+2)2
60.3×
59.770022
(5a)3•b3÷
16a2b2(5x4y4+x4y2z4)•6x2y
(x-2)2-(3x-3)(4x-4)(y-z)2+(4y+z)(4y+z)
4x2-81y2(p-a)(5x+y)+(p-a)(x-y)
a2+8ab+16b29+18(a+n)+9(a+n)2
d3-100dx4-1
(-3x2y3)3•(-xy)2(3a-6b)(6a+b)
-2x(x-2)(x+3)(5x+6y+4)2
3.1×
2.98032
(6a)2•b2•20a2b2(x3y2+x4y2z4)÷
9xy2
(x+3)2+(2x-5)(3x-4)(y+z)2-(4y+z)(2y+z)
36x2-100y2(d-q)(x-5y)-(d-q)(2x-3y)
a2+6ab+9b24-24(a+q)+36(a+q)2
c3-25cx4-81
(3xy2)3•(xy)2(6a+b)(6a-5b)
-3x(x+4)(x-2)(5x-y-3)2
10.4×
9.6100052
(3a)3•b2•2a2b(x3y3-x4y3z2)÷
3(x-3)2-(3x-5)(3x+4)4(y-z)2+(4y-z)(4y-z)
36x2-y2(q-b)(2x+y)-(q-b)(x+y)
a2-8an+16n225-30(c-m)+9(c-m)2
b3-81bx4-256
(2x2y3)2•(x3y3)3(4a+5b)(4a-4b)
3x(x+4)(x-5)(5x-y+1)2
2.2×
1.88042
(6a)3•b3•16a2b(2x4y4+x3y4z3)÷
9x2y
3(x-1)2+(4x+3)(2x-3)4(y-z)2-(3y+z)(3y+z)
36x2-y2(q+a)(5x+y)+(q+a)(5x+4y)
a2+12am+36m29-30(d+n)+25(d+n)2
d3-49dx4-1
(2xy)3•(x2y3)2(4a-b)(3a-b)
-3x(x-3)(x+2)(4x+4y-4)2
8.2×
7.8100012
(8a)2•b4÷
4a2b2(6x2y4-2x4y2z3)•xy2
3(x+1)2+(2x-3)(4x+3)3(y+z)2-(3y-z)(2y-z)
4x2-64y2(d-n)(5x+y)-(d-n)(6x-y)
a2-12ab+36b24+28(p+c)+49(p+c)2
b3-25bx4-81
(-2xy2)2•(xy)3(a+3b)(a+b)
2x(x-3)(x-1)(x-y+1)2
10.2×
9.89032
(8a)2•b3•18a2b(9x3y2-6x3y3z4)•x2y
(x+1)2-(4x+4)(2x-3)3(y-z)2-(4y-z)(4y-z)
x2-y2(c-q)(x-y)-(c-q)(x+6y)
a2-6an+9n29-12(d-m)+4(d-m)2
b3-100bx4-16