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80Word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80Word文档格式.docx
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50.1×
49.99962
(8a)3•b3•2a2b(x2y4+x4y4z2)÷
5xy2
4(x+4)2-(2x+1)(4x-2)4(y+z)2+(2y-z)(2y+z)
x2-49y2(n+b)(x-6y)+(n+b)(5x+y)
a2-6ab+9b216+16(b+n)+4(b+n)2
d3-4d81x4-256
(-2xy2)3•(x2y)3(4a+b)(a-b)
2x(x+1)(x+3)(x+6y-3)2
60.1×
59.94972
(5a)2•b4•12ab2(4x4y2+x2y4z3)÷
x2y
4(x-1)2+(4x+3)(2x+3)(y-z)2-(4y+z)(4y+z)
64x2-y2(d+p)(4x+y)-(d+p)(3x-6y)
a2-8ax+16x225+60(d+p)+36(d+p)2
d3-4d16x4-256
(-3x2y)3•(xy)2(5a-b)(5a+b)
3x(x+2)(x+2)(x-y-1)2
1.3×
0.729972
(9a)3•b3÷
12a2b2(3x2y4-6x2y2z2)•5xy
(x+4)2+(3x-4)(3x+2)(y-z)2+(2y-z)(3y+z)
x2-y2(n-b)(x+y)+(n-b)(4x-2y)
a2-12ay+36y236-48(c-n)+16(c-n)2
a3-36ax4-256
(-2x2y2)3•(x2y2)3(a+b)(a+b)
-2x(x+1)(x+1)(2x-y-3)2
10.1×
9.94052
(8a)3•b2÷
14a2b2(x2y3-5x4y3z3)÷
3(x-4)2-(4x-5)(4x-2)2(y+z)2+(2y-z)(3y+z)
4x2-y2(c+q)(4x+3y)+(c+q)(x+y)
a2-16ay+64y29-18(m+d)+9(m+d)2
c3-25cx4-1
(2xy2)3•(-x2y2)3(5a-6b)(3a-5b)
3x(x+1)(x+5)(3x+y-2)2
5.1×
4.99962
(6a)2•b3÷
8ab2(5x4y3-6x3y3z2)•x2y
(x-4)2+(3x+4)(3x+5)4(y-z)2-(3y-z)(4y+z)
16x2-16y2(b-m)(5x+y)+(b-m)(4x+5y)
a2-6an+9n225-60(d+p)+36(d+p)2
a3-49ax4-81
(-2xy2)2•(-x2y2)2(6a+b)(a-3b)
3x(x+2)(x+5)(x-4y-4)2
2.1×
1.97052
(6a)3•b4÷
8ab(4x2y4-3x3y2z4)÷
x2y2
(x+2)2-(4x-2)(4x+5)4(y-z)2-(4y+z)(3y-z)
x2-y2(m+a)(x+4y)-(m+a)(6x+4y)
a2-6ay+9y225+70(q+a)+49(q+a)2
c3-16cx4-1
(-2xy3)3•(xy)2(a+5b)(4a+3b)
-3x(x-3)(x-2)(x+y+4)2
20.3×
19.78972
(7a)2•b2÷
12a2b2(6x2y3-x4y3z2)•x2y
2(x+1)2+(2x+3)(2x+4)2(y-z)2+(2y-z)(2y+z)
25x2-y2(c+n)(2x+2y)+(c+n)(4x-3y)
a2-10ax+25x24-8(p-a)+4(p-a)2
d3-9d16x4-81
(-2xy3)2•(x3y)3(3a+4b)(a+2b)
3x(x+5)(x+5)(x+4y+4)2
70.2×
69.850052
(2a)2•b4•16ab(6x4y2-9x3y3z2)÷
3xy
(x-1)2+(4x-2)(4x-2)2(y+z)2+(4y+z)(3y-z)
x2-y2(n-a)(x+y)-(n-a)(6x-5y)
a2+8an+16n24+28(c-p)+49(c-p)2
a3-81ax4-256
(-2xy)2•(xy)2(a+b)(2a+4b)
3x(x-2)(x+3)(x+5y-3)2
9.2×
8.870022
(7a)2•b4÷
12ab(4x3y2-8x4y2z4)•xy2
4(x+3)2+(2x-3)(3x-3)(y+z)2+(2y-z)(4y+z)
x2-y2(b-p)(4x-y)+(b-p)(x-y)
a2+10ax+25x216-24(a-q)+9(a-q)2
a3-16ax4-81
(3x3y)2•(x2y)2(a-3b)(a+b)
-3x(x-3)(x-2)(3x+3y+2)2
20.4×
19.69982
(3a)2•b3•16ab2(3x3y3-8x4y3z4)÷
xy2
4(x+4)2-(3x-4)(2x+3)(y-z)2-(3y-z)(3y+z)
x2-y2(q+c)(x+y)+(q+c)(x+4y)
a2+14ab+49b24+24(p+c)+36(p+c)2
c3-36cx4-16
(-3xy2)3•(-xy)2(6a-b)(a+3b)
3x(x-4)(x+5)(x+y+1)2
3.3×
2.770052
(2a)3•b4÷
18ab(3x3y3-8x4y2z4)•xy
2(x+1)2+(4x+1)(2x-4)(y-z)2+(2y-z)(3y+z)
x2-81y2(q+d)(x+6y)-(q+d)(2x-y)
a2-8ab+16b236+60(p+a)+25(p+a)2
b3-36b81x4-81
(3x2y2)3•(x3y)3(a+b)(2a+b)
-2x(x+1)(x+1)(2x+y+3)2
90.4×
89.680012
(4a)2•b3•6a2b2(x4y2+x4y3z3)•4xy2
(x-1)2+(3x-5)(2x+2)4(y-z)2+(4y+z)(3y+z)
x2-16y2(b-p)(3x-6y)+(b-p)(x+2y)
a2-8an+16n24-8(d+q)+4(d+q)2
a3-49a81x4-16
(-2x2y)2•(xy3)3(2a+6b)(5a-b)
-2x(x+4)(x+2)(x-2y-3)2
10.2×
9.87962
(6a)3•b3÷
20a2b(x3y4+5x2y2z3)÷
3(x+2)2-(2x-4)(2x-4)(y-z)2+(4y-z)(3y+z)
100x2-49y2(c-n)(3x-6y)-(c-n)(x-y)
a2-6am+9m236-60(n+d)+25(n+d)2
b3-9b16x4-256
(3xy)3•(-x3y2)3(3a+2b)(a+b)
-2x(x-2)(x+3)(4x+5y+2)2
6.2×
5.86022
(2a)3•b2÷
2a2b2(4x3y2-x3y4z3)•xy
3(x-2)2-(4x-5)(3x+4)3(y+z)2+(2y+z)(4y-z)
16x2-y2(a+m)(6x+6y)-(a+m)(4x-y)
a2-8an+16n225-30(m-d)+9(m-d)2
d3-64dx4-1
(-3xy)2•(x2y)3(4a+2b)(3a-4b)
3x(x-4)(x+4)(x+4y+4)2
4.3×
3.77992
(8a)2•b4•6a2b2
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