人教版初中八年级数学上册整式的乘法和因式分解练习题1Word格式.docx
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人教版初中八年级数学上册整式的乘法和因式分解练习题1Word格式.docx
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45a2+20a14a4bc-100b3
6q(y+3)-32p(y+3)4(y+3)+m(y+3)
64-25y24x2-64y2
9x2-4(5x+y)2-(x-y)2
4+24x+36x2(x+y)2-10m(x+y)+25m2
64b2-64b+1616a2+8a(a-b)+(a-b)2
x2+9x+18x2+6x-7
2x2+16x+3249-49x2
(-2xy3)2•(x2y3)2(2a-5b)(6a-4b)
2x(x+5)(x-5)(x-5y-1)2
70.3×
69.7972
(2a)2•b3•8a2b(x3y3+x4y2z3)•x2y
4(x-2)2-(3x+3)(4x+5)2(y-z)2+(2y+z)(3y+z)
25x2-9y2(m+d)(4x+3y)+(m+d)(5x-y)
a2+4am+4m216-48(c+q)+36(c+q)2
c3-25c16x4-256
85a2+40a3b8a2bc+100b2
18q(5+a)-24p(5+a)8(5+a)-m(5+a)
4-64a232x2-50y2
4y2-36(2x+y)2-(x-y)2
81+36y+4y2(a+b)2-12m(a+b)+36m2
9n2+36n+3636a2-12a(x+y)+(x+y)2
x2-9x+14x2+4x-12
3x2+40x+10049-49y2
(-2x3y)3•(xy)3(3a+b)(a+4b)
-2x(x-5)(x-3)(x-4y-1)2
1.3×
0.72042
(2a)2•b3•12a2b(x4y4-x4y4z3)•7xy
(x-4)2-(4x-3)(2x+4)3(y-z)2+(4y+z)(4y-z)
16x2-y2(q+c)(x+3y)+(q+c)(6x-2y)
a2-16ay+64y225+20(m+a)+4(m+a)2
a3-9a81x4-1
55a3-50ab12a3bc+50bc
6q(4-a)+24p(4-a)4(4-a)+m(4-a)
4-64m275x2-27y2
64m2-361(5x+2y)2-(x-7y)2
81+126n+49n2(m+n)2-12m(m+n)+36m2
9m2-42m+4925a2+10a(a+b)+(a+b)2
x2-6x+5x2-2x-24
6x2-17x+79-100n2
(3xy)2•(-xy2)3(5a-b)(a+b)
2x(x+5)(x-3)(x+y-3)2
9.4×
8.6100042
(9a)3•b2÷
14ab2(5x3y3-x2y2z4)•x2y
3(x-2)2-(4x-3)(3x+3)(y+z)2-(3y-z)(2y+z)
4x2-25y2(q+a)(x-6y)-(q+a)(x-2y)
a2-12an+36n236+24(d+m)+4(d+m)2
a3-36ax4-1
10a-60ab6ab3c+90b3c
4q(x+3)+4p(x+3)6(x+3)-m(x+3)
1-4b218x2-50y2
49a2-121(8x-3y)2-(x-y)2
49-70b+25b2(m+n)2-6m(m+n)+9m2
9x2+6x+116a2+8a(a-b)+(a-b)2
x2+11x+30x2+3x-28
15x2-38x+2436-64a2
(3x2y2)3•(x3y2)3(3a-b)(a-b)
-3x(x-5)(x-3)(x-y-4)2
90.1×
89.96022
(6a)3•b3•14a2b(x2y4-8x3y2z4)•6x2y2
(x+1)2+(4x+2)(2x+5)(y-z)2+(4y-z)(3y+z)
x2-y2(b-q)(x-y)-(b-q)(x-y)
a2-16ax+64x236-48(d+n)+16(d+n)2
a3-100ax4-1
55a3-70ab14abc-10bc
12p(4+b)+20q(4+b)2(4+b)+m(4+b)
100-81x264x2-4y2
49b2-1(x+y)2-(3x+y)2
4-32y+64y2(x-y)2+6m(x-y)+9m2
49m2+42m+99a2+6a(a+b)+(a+b)2
x2+11x+18x2-2x-35
5x2+50x+8036-4x2
(-2x2y3)2•(x2y)2(5a+5b)(5a-3b)
3x(x-2)(x-5)(x+4y-2)2
3.4×
2.6992
(5a)3•b4÷
2a2b2(7x3y3-x4y4z2)•7xy2
4(x+2)2+(4x-3)(2x-3)3(y-z)2-(2y-z)(3y-z)
x2-y2(p-b)(3x+y)-(p-b)(3x-y)
a2+16am+64m216-40(m-b)+25(m-b)2
c3-36c81x4-81
60a+80ab20abc-80bc
4p(x+3)-36p(x+3)8(x+3)-m(x+3)
81-100x216x2-100y2
0.16n2-121(x-y)2-(6x-y)2
100+80n+16n2(a-b)2-6m(a-b)+9m2
81n2-36n+44a2+4a(m-n)+(m-n)2
x2-6x+8x2-6x-16
12x2+48x+4849-64n2
(-3x3y3)2•(x3y3)3(a-5b)(a-b)
2x(x-4)(x+4)(3x-y+1)2
40.4×
39.68952
(4a)2•b4÷
20ab(x4y3+x2y2z2)÷
x2y2
4(x-1)2-(4x+1)(2x-5)3(y+z)2+(2y+z)(3y-z)
64x2-9y2(p-c)(3x+3y)-(p-c)(3x-4y)
a2+18an+81n216-24(a+m)+9(a+m)2
d3-16d16x4-256
60a3-10a22abc+100b3
6q(x-6)+20p(x-6)2(x-6)+m(x-6)
1-25m24x2-4y2
16m2-25(x+3y)2-(3x+y)2
4-20n+25n2(m-n)2+10m(m-n)+25m2
9b2+42b+4916a2+8a(a-b)+(a-b)2
x2+9x+18x2-6x-27
3x2-12x+1225-9x2
(2xy3)3•(x2y2)3(2a-2b)(a-b)
-2x(x-4)(x-2)(6x+y-2)2
30.3×
29.73962
(8a)2•b3•20ab(x2y3-2x4y3z2)÷
8x2y2
4(x-3)2-(3x+2)(4x+5)4(y-z)2+(2y-z)(3y-z)
x2-y2(d+p)(x+3y)+(d+p)(4x-y)
a2+18an+81n216+48(d-m)+36(d-m)2
d3-100d16x4-16
15a4-20a34a2b3c-20b4
10q(4-a)+12p(4-a)4(4-a)-m(4-a)
49-36n24x2-16y2
0.64n2-324(3x+3y)2-(2x+7y)2
64-64m+16m2(x-y)2-12m(x-y)+36m2
16x2+80x+10016a2-8a(a+b)+(a+b)2
x2+7x+12x2-4x-21
2x2-11x+129-16n2
(2x2y2)3•(xy2)3(a+b)(a-5b)
-3x(x+1)(x+5)(x+4y+4)2
5.4×
4.649962
(8a)3•b3•2ab2(x2y4-x2y4z4)•2xy2
(x-4)2-(4x+4)(2x
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