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100Word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100Word格式.docx
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(2xy)3•(xy)2(a+b)(4a+2b)
2x(x-2)(x+1)(x-4y-3)2
80.2×
79.810052
(2a)3•b2÷
18a2b2(x4y2-x4y2z2)•xy2
3(x+3)2-(3x+1)(3x+3)(y+z)2-(4y-z)(2y-z)
x2-4y2(d+n)(x+y)-(d+n)(x-y)
a2+10ay+25y24-8(b-m)+4(b-m)2
a3-49ax4-81
(-3x2y)3•(-xy)3(6a-b)(a-6b)
3x(x-4)(x+3)(3x-y+1)2
8.1×
7.91982
8ab2(4x3y3-x2y2z4)•8xy
(x+2)2+(4x-4)(4x+4)(y+z)2-(2y+z)(2y+z)
x2-9y2(n+a)(3x-y)-(n+a)(5x-2y)
a2+6an+9n225-40(n+a)+16(n+a)2
b3-64b81x4-256
(-2x3y3)2•(-xy)2(a+4b)(a+b)
3x(x-1)(x+4)(x-y+3)2
70.4×
69.650012
(4a)2•b4•2ab2(x3y3-x3y3z2)•xy
4(x+3)2+(2x+5)(3x+5)(y-z)2-(4y+z)(3y+z)
36x2-100y2(m+b)(6x+4y)-(m+b)(x-y)
a2-4am+4m24-20(p+a)+25(p+a)2
b3-49b81x4-256
(-3xy2)2•(xy)2(a-b)(a+b)
-2x(x+2)(x+2)(4x+3y-1)2
8.3×
7.789962
(6a)3•b3•18ab(2x2y3+5x2y4z2)•4xy
(x-2)2-(3x+1)(2x-4)3(y+z)2-(3y+z)(2y+z)
x2-y2(b+m)(6x+5y)-(b+m)(x+y)
a2+16ab+64b216-24(m-a)+9(m-a)2
a3-100a81x4-16
(-3x2y2)3•(x2y)2(2a-3b)(a-b)
3x(x-5)(x-3)(6x-y+1)2
60.3×
59.78952
(4a)3•b2÷
10a2b2(9x2y3+x2y3z3)•x2y
3(x-3)2-(4x-5)(4x-2)3(y+z)2+(3y+z)(2y-z)
100x2-25y2(c-m)(6x-5y)+(c-m)(6x+2y)
a2+20ax+100x236-48(a-p)+16(a-p)2
b3-36bx4-16
(-3x2y)2•(xy2)3(a+5b)(a-4b)
3x(x-5)(x-5)(x+5y+3)2
9.1×
8.91952
(4a)2•b2•20a2b(6x3y2+6x4y3z4)•xy2
(x+1)2-(2x+4)(4x-4)(y+z)2+(4y-z)(2y-z)
x2-y2(d-n)(x+6y)+(d-n)(x+3y)
a2-18am+81m24+16(q-d)+16(q-d)2
c3-25cx4-256
(-2xy2)3•(xy2)2(6a+b)(a+b)
-3x(x+4)(x+5)(5x+y-3)2
8.989962
(2a)2•b3÷
20ab2(x3y3+x3y3z3)•8xy2
(x+1)2+(3x-5)(4x-5)(y-z)2-(4y-z)(3y-z)
x2-y2(p-a)(5x+y)-(p-a)(5x-2y)
a2-16ab+64b24+20(n+a)+25(n+a)2
c3-49c16x4-16
(3xy)2•(-x2y)2(5a-b)(6a-b)
3x(x-4)(x+2)(4x+y+2)2
7.949962
(6a)3•b3÷
16ab(2x4y2+x4y2z4)•xy
2(x-3)2+(4x-4)(4x+1)3(y+z)2-(2y-z)(3y+z)
x2-y2(p-d)(x-2y)-(p-d)(3x-y)
a2+4an+4n225+40(q+d)+16(q+d)2
c3-49c81x4-16
(-2x2y)2•(-xy3)2(a+b)(a-2b)
-3x(x+5)(x+1)(2x-y-2)2
1.4×
0.67962
(5a)3•b3•20ab2(x2y3+6x2y4z3)÷
xy2
4(x-3)2-(3x+1)(3x+1)2(y+z)2-(2y-z)(3y+z)
x2-25y2(p+c)(2x+2y)-(p+c)(x-y)
a2+12an+36n225+30(c-q)+9(c-q)2
a3-25a16x4-256
(2x3y)3•(xy)3(2a+4b)(a+b)
-2x(x+4)(x+3)(5x+3y-4)2
8.4×
7.61002
(3a)2•b2÷
4ab(5x4y3-x2y3z2)÷
9x2y
(x-2)2+(4x-3)(2x+5)4(y-z)2-(4y+z)(4y+z)
16x2-81y2(q-d)(x-y)-(q-d)(2x+y)
a2+18ax+81x225+70(m-b)+49(m-b)2
d3-4d16x4-81
(2xy)2•(-xy)2(a+b)(a+b)
-3x(x-2)(x-4)(3x+6y+1)2
30.1×
29.950002
(5a)2•b4•4a2b(6x4y3+2x3y3z3)÷
3xy2
(x+3)2-(3x+3)(3x-3)4(y-z)2+(2y+z)(2y+z)
x2-y2(n+b)(5x+y)+(n+b)(x-y)
a2+14ax+49x24+8(n-d)+4(n-d)2
d3-49dx4-256
(-3x3y2)3•(-x2y)2(a+b)(5a+b)
-2x(x-1)(x-2)(6x+y-3)2
30.2×
29.82982
(3a)2•b4•2a2b(5x3y3-x3y2z2)•5xy2
(x+2)2-(2x+3)(4x-2)(y+z)2-(3y+z)(3y+z)
x2-49y2(b-n)(4x+y)-(b-n)(4x+5y)
a2+16ax+64x29-12(c-m)+4(c-m)2
d3-100dx4-16
(3x2y)3•(-xy3)2(3a+4b)(2a-b)
3x(x-5)(x-5)(x+2y+1)2
6.1×
5.99962
(4a)2•b2•16ab2(5x4y3-6x4y2z3)•xy
3(x-4)2+(4x+4)(2x-3)(y+z)2-(4y+z)(3y-z)
81x2-y2(m-c)(x+5y)-(m-c)(x-y)
a2-18ax+81x216-32(p-a)+16(p-a)2
a3-64a16x4-16
(3x3y2)2•(xy)3(4a-b)(a+5b)
-2x(x+5)(x+4)(x+2y-4)2
4.1×
3.969972
(9a)2•b2•8a2b2(x4y4-4x4y4z4)÷
xy
(x+1)2-(2x-5)(3x-4)(y+z)2+(2y+z)(4y+z)
x2-81y2(q+d)(3x+3y)-(q+d)(x+2y)
a2-6an+9n236+84(b+n)+49(b+n)2
b3-64bx4-1
(-3xy)3•(-x2y)3(a+b)(a-b)
3x(x-3)(x+2)(6x+5y+2)2
20.2×
19.83002
(7a)2•b2÷
18a2b2(7x2y4-x2y4z4)÷
4x2y2
2(x+1)2-(3x+3)(4x+2)(y+z)2+(3y+z)(4y-z)
81x2-100y2(q+d)(2x-6y)-(q+d)(x-y)
a2+16an+64n29-24(n-d)+16(n-d)2
c3-100cx4-256
(-3x3y3)2•(-x3y3)3(2a+3b)(a-b)
-3x(x-4)(x-1)(x+y+4)2
5.1×
4.980052
(4a)2•b3•10a2b(4x3y4-x3y3z4)÷
2xy
(x-1)2+(2x+4)(2x-4)(y-z)2-(4y+z)(3y+z)
64x2-y2(m+d)(x-5y)+(m+d)(6x-2y)
a2+14ab+49b216-16(a-q)+4(a-q)2
d3-25dx4-16
(-3x2y3)3•(x3y3)2(a+2b)(a+b)
-3x(x-2)(x-2)(x+y+1)2
80.3×
79.7100052
(3a)3•b3÷
6ab(7x2y2-6x3y4z3)•xy
4(x-4)2+(4x-4)(3x-3)(y-z)2+(4y-z)(3y-z)
36x2-4y2(b-m)(4x-y)-(b-m)(x-3y)
a2-20ax+100x236+48(d-m)+16(d-m)2
a3-100ax4-16
(3x3y3)2•(-xy)3(a-2b)(a-2b)
-3x(x+4)(x+4)(x-5y+4)2
3.3×
2.780002
(8a)3•b2•20a2b(9x3y4+x2y2z3)•x2y2
2(x-2)2+(2x+5)(3x-3)2(y+z)2-(3y+z)(2y-z)
36x2-y2(b-m)(4x+y)+(b-m)(x+y)
a2-14ax+49x225-20(m+a)+4(m+a)2
b3-16bx4-16
(2x2y3)2•(-xy2)2(3a-b)(3a-b)
2x(x-2)(x+1)(x+y+3)2
80.1×
79.92992
(4a)3•b3÷
6a2b(8x2y3-x3y4z2)•2x2y
4(x+4)2+(3x+5)(2x+5)2(y-z)2-(4y-z)(3y-z)
100x2-100y2(q-d)(x+y)+(q-d)(4x-y)
a2+16an+64n216+48(c-q)+36(c-q)2
a3-64ax4-256
(-3xy2)3•(-xy3)2(3a-b)(3a+2b)
-3x(x-5)(x-3)(6x+y-3)2
7.4×
6.61952
(3a)2•b3÷
10ab2(x4y3-6x4y3z4)•2x2y2
(x+1)2+(4x-3)(4x+3)(y-z)2+(4y+z)(2y+z)
64x2-81y2(d+m)(x+y)+(d+m)(3x+6y)
a2+20an+100n29+36(d+n)+36(d+n)2
c3-25cx4-1
(-2x2y)3•(-x3y)3(a+b)(a-3b)
-3x(x+5)(x+1)(x-3y-1)2
6.3×
5.79982
(3a)3•b2÷
20a2b(x4y2-x3y3z2)÷
(x+1)2-(2x-4)(4x+1)(y+z)2-(2y+z)(2y-z)
4x2-y2(d+p)(x+y)-(d+p)(4x+y)
a2-20ax+100x216+40(n+b)+25(n+b)2
a3-16a16x4-256
(-3x3y3)3•(xy)2(a-2b)(4a-b)
2x(x-5)(x-1)(5x-y-1)2
1.1×
0.99002
(6a)3•b4÷
18a2b2(5x4y4-3x2y4z4)÷
(x-2)2-(3x+3)(2x-4)(y-z)2-(4y+z)(3y+z)
25x2-y2(a+m)(6x+4y)+(a+m)(2x+y)
a2+20an+100n236-24(p+d)+4(p+d)2
a3-25ax4-256
(-3xy)3•(-xy)2(6a+b)(5a-b)
-2x(x+2)(x+4)(4x+6y-2)2
8.99052
(3a)2•b2•16ab2(3x3y3-5x2y2z3)÷
2x2y2
2(x-1)2+(4x+5)(3x+1)3(y+z)2+(3y-z)(3y+z)
64x2-y2(n+c)(x+y)+(n+c)(x-5y)
a2+20ab+100b225-50(n+b)+25(n+b)2
c3-16cx4-256
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