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11Word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11Word文档格式.docx
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20.3×
19.759962
(7a)3•b3÷
2a2b2(x2y4-x4y3z3)÷
4x2y2
4(x-1)2-(3x+3)(3x-2)4(y+z)2+(2y-z)(3y-z)
x2-49y2(q+a)(x+y)-(q+a)(5x-3y)
a2+6am+9m29-12(m+b)+4(m+b)2
c3-49cx4-256
(-2x2y2)2•(-x2y3)3(4a-b)(5a+b)
3x(x+5)(x+1)(6x+6y-3)2
3.3×
2.77002
(4a)3•b3÷
6a2b2(x2y2+7x3y4z3)•xy
(x-3)2-(3x+1)(3x+1)(y-z)2-(2y-z)(3y-z)
49x2-y2(p+b)(5x-5y)+(p+b)(x-y)
a2+8ax+16x24+28(q+d)+49(q+d)2
b3-81b81x4-81
(-3x3y)2•(-x3y2)3(3a-b)(a-b)
2x(x-5)(x+3)(x-5y+2)2
5.3×
4.77012
(7a)2•b2•14ab(x2y2+6x4y2z4)÷
3x2y
3(x+2)2+(2x-3)(2x-2)3(y+z)2-(4y-z)(4y-z)
16x2-y2(q-a)(x-4y)-(q-a)(x+6y)
a2+6ax+9x236-60(d+q)+25(d+q)2
a3-16a16x4-81
(2xy)3•(x2y)2(5a+6b)(a+b)
3x(x+5)(x-5)(x+y+3)2
7.1×
6.96962
(3a)2•b3÷
18ab2(4x2y4+4x2y2z3)÷
8xy
(x+2)2-(3x+2)(4x-4)(y-z)2-(4y-z)(2y+z)
x2-y2(d+n)(x-2y)-(d+n)(x-y)
a2+12am+36m225-60(d+m)+36(d+m)2
c3-81c16x4-81
(-3xy)2•(x2y3)2(a-5b)(3a+b)
3x(x-3)(x+1)(4x-y+3)2
80.4×
79.64042
(2a)2•b2•8ab(x4y3-2x3y3z3)÷
3xy
3(x-2)2-(3x-5)(2x+2)(y+z)2-(3y-z)(3y-z)
x2-y2(b+m)(x+y)-(b+m)(x-3y)
a2+20an+100n236+48(b+n)+16(b+n)2
a3-9a16x4-256
(-2x2y)3•(-x2y2)3(2a-b)(a+2b)
3x(x+2)(x-4)(2x+5y-1)2
70.1×
69.94992
(3a)3•b3÷
6ab2(7x3y2+3x2y3z4)÷
3xy2
(x+1)2-(2x+1)(2x+5)4(y+z)2-(2y+z)(4y+z)
x2-81y2(q+b)(x+6y)+(q+b)(4x+2y)
a2+18an+81n24-8(n+d)+4(n+d)2
d3-81d81x4-81
(-3xy)3•(-xy2)2(3a+2b)(4a+b)
3x(x+2)(x+4)(2x-y-2)2
5.4×
4.67962
12ab2(3x4y2-3x4y2z2)•9x2y
(x+2)2+(2x+1)(2x-4)(y-z)2+(2y+z)(4y+z)
x2-y2(n-d)(6x+y)-(n-d)(x-y)
a2+18am+81m225-60(d-n)+36(d-n)2
c3-16cx4-81
(-3x3y2)2•(xy)2(a-3b)(2a+5b)
-3x(x-2)(x-3)(x-y-1)2
3.2×
2.810042
(6a)2•b2÷
8ab2(x3y3-x3y4z2)÷
x2y
3(x+4)2+(4x-4)(4x-1)(y+z)2-(2y-z)(2y+z)
49x2-y2(a-q)(2x+4y)+(a-q)(x-y)
a2-4ax+4x29+36(m-a)+36(m-a)2
b3-9bx4-1
(-2x3y2)2•(-xy)2(a+3b)(2a+b)
-2x(x-4)(x-5)(x-3y+1)2
80.3×
79.75042
(8a)3•b4÷
6ab(8x4y3-5x3y2z4)•xy2
(x+2)2-(2x-2)(2x-3)(y+z)2-(4y+z)(2y+z)
x2-y2(p-c)(2x+y)+(p-c)(x+y)
a2-16am+64m216-40(a-q)+25(a-q)2
a3-25ax4-256
(-3xy3)2•(-xy)2(a+3b)(a+6b)
-3x(x-3)(x+2)(x-y+1)2
60.3×
59.799952
(3a)2•b4÷
18ab2(x4y4-2x2y3z3)•2x2y2
2(x-4)2-(3x-2)(4x+4)(y-z)2+(2y+z)(3y+z)
x2-y2(p-c)(x-y)+(p-c)(x+5y)
a2-6ab+9b29-36(n+a)+36(n+a)2
(-2xy3)3•(-x3y3)2(5a+b)(a+6b)
-3x(x-1)(x-3)(4x-y-2)2
4.68002
(2a)3•b3÷
6a2b2(3x2y4+x3y3z2)•x2y2
(x+1)2+(3x+5)(3x-4)4(y-z)2+(3y+z)(3y+z)
x2-y2(c+m)(x+6y)-(c+m)(x-4y)
a2-12an+36n216+32(p+c)+16(p+c)2
a3-36ax4-256
(3x3y)2•(-x3y3)2(5a+6b)(4a+3b)
-2x(x+1)(x+5)(2x+2y+1)2
2.1×
1.99052
(7a)3•b4÷
6ab2(9x4y4-x4y2z2)÷
2(x+1)2-(4x+4)(2x+2)(y+z)2+(4y+z)(2y+z)
x2-81y2(q-d)(x+y)+(q-d)(x+y)
a2-18ab+81b225+30(d+m)+9(d+m)2
b3-36b81x4-256
(2x2y3)2•(-x2y)2(6a+3b)(a+b)
-3x(x-4)(x+1)(x-y+2)2
2.3×
1.740002
(7a)2•b3•20a2b(3x2y3+x3y4z4)•6x2y
2(x-4)2-(3x+3)(2x-4)3(y-z)2-(3y+z)(3y+z)
x2-81y2(a+q)(3x+y)-(a+q)(x+y)
a2-20ab+100b236+36(m+b)+9(m+b)2
d3-36d81x4-256
(3x2y2)2•(xy)2(a-6b)(a+b)
-3x(x-2)(x+1)(5x-y-2)2
30.1×
29.979982
(4a)2•b2•6a2b(2x4y4+5x2y2z3)•x2y
3(x-2)2+(4x-2)(2x-5)2(y+z)2-(4y+z)(4y-z)
x2-100y2(a-m)(3x-5y)+(a-m)(x-2y)
a2+18an+81n24-12(b+q)+9(b+q)2
c3-81cx4-1
(2xy)3•(-x3y)2(4a-b)(4a-b)
-2x(x+3)(x-1)(x-5y+3)2
2.4×
1.66012
(5a)3•b3•2a2b(3x3y3-x4y2z2)÷
5xy2
(x+2)2+(2x+2)(4x-4)(y-z)2-(2y+z)(4y-z)
9x2-16y2(m-a)(x-4y)+(m-a)(3x-y)
a2+12ay+36y24-28(m-a)+49(m-a)2
c3-36c81x4-256
(3xy)3•(xy3)3(a-5b)(4a-b)
-2x(x-4)(x-4)(6x-y-2)2
10.3×
9.71972
(8a)2•b3÷
8a2b(9x2y3-7x4y4z4)•6x2y
3(x+3)2-(3x-5)(4x-1)2(y-z)2-(4y+z)(4y+z)
9x2-y2(d+m)(2x+5y)-(d+m)(4x-6y)
a2-12ay+36y24-8(p+a)+4(p+a)2
b3-9b81x4-81
(-2xy)2•(-x3y2)3(a-4b)(4a+b)
-2x(x+2)(x+4)(x+y-4)2
7.2×
6.870022
(8a)2•b4÷
10a2b2(x4y3-x3y4z4)÷
4xy2
4(x+1)2+(4x-4)(4x+3)(y-z)2+(4y-z)(4y-z)
x2-y2(n-a)(x+2y)-(n-a)(x-3y)
a2+6ax+9x236-24(p+a)+4(p+a)2
c3-36cx4-1
(2xy3)2•(-x3y3)2(a+b)(4a+4b)
2x(x-3)(x+4)(x+3y-3)2
20.1×
19.95982
(6a)3•b3•2a2b2(8x4y4-9x4y4z4)•5xy2
2(x-4)2+(4x-1)(2x+1)4(y-z)2+(4y-z)(3y-z)
4x2-y2(a+m)(5x-y)+(a+m)(x+y)
a2+14ab+49b24-28(a+p)+49(a+p)2
a3-81a81x4-256
(3xy2)2•(xy2)3(5a+b)(a+5b)
2x(x+4)(x-1)(4x-4y+1)2
70.2×
69.81962
(2a)3•b3•12a2b2(x4y3-4x3y2z4)÷
xy
4(x+2)2+(3x-3)(2x+4)3(y+z)2+(3y-z)(4y+z)
25x2-y2(p+b)(3x+4y)-(p+b)(x+3y)
a2+12ab+36b29-12(b+p)+4(b+p)2
d3-36dx4-256
(2x3y3)2•(x2y)3(a+6b)(a-b)
3x(x+1)(x-3)(x-3y-4)2
1.99012
(6a)3•b2•6ab(2x3y4+7x4y3z4)•x2y
(x+3)2+(2x+5)(3x+1)(y-z)2-(3y+z)(3y+z)
x2-49y2(m+a)(2x-y)+(m+a)(6x-y)
a2-8ab+16b225-70(a+n)+49(a+n)2
c3-49cx4-81
(2xy3)2•(-x3y3)2(a-b)(2a+4b)
2x(x-3)(x+2)(2x-5y+4)2
30.4×
29.65962
(2a)3•b3•18a2b(x4y4+3x2y4z3)÷
6xy
(x+1)2-(2x+1)(2x-4)(y+z)2+(4y-z)(4y+z)
x2-y2(q+c)(x+5y)+(q+c)(4x-3y)
a2+16ay+64y225-30(d-q)+9(d-q)2
b3-36bx4-256
(2x2y)2•(-x3y3)3(a-4b)(a+3b)
-3x(x-4)(x+1)(2x-2y+2)2
70.3×
69.730052
(5a)3•b4÷
18a2b2(6x3y4-8x3y2z4)÷
4(x-2)2+(2x-4)(4x-1)(y+z)2-(2y+z)(3y+z)
16x2-y2(d+q)(5x+4y)-(d+q)(2x+y)
a2-16ab+64b216+56(m+b)+49(m+b)2
a3-100a16x4-256
(3xy2)3•(x3y)2(3a-4b)(a+b)
-2x(x-3)(x-3)(x-y+3)2
2.2×
1.810002
(6a)3•b3•4ab2(x2y3+7x3y4z4)÷
3x2y2
3(x-2)2+(3x+4)(4x+4)(y+z)2+(4y-z)(3y+z)
x2-y2(b+m)(x+4y)-(b+m)(2x-2y)
a2+16an+64n24+28(n+d)+49(n+d)2
a3-4a16x4-256
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