八年级数学上册整式乘除法和因式分解126Word格式文档下载.docx
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八年级数学上册整式乘除法和因式分解126Word格式文档下载.docx
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45a3+40a416a3bc-30b
6q(y+3)+28q(y+3)6(y+3)+m(y+3)
36-16a28x2-8y2
0.04y2-9(x+y)2-(5x+7y)2
100-60n+9n2(a+b)2+12m(a+b)+36m2
36n2-120n+10016a2+8a(x+y)+(x+y)2
x2-7x+10x2+7x-30
16x2-12x+24-49y2
(2xy)2•(-xy)3(4a-4b)(4a-b)
2x(x-3)(x-5)(4x+3y+4)2
80.1×
79.93042
(2a)2•b4÷
12a2b(9x3y2-x2y3z3)÷
5x2y2
(x-4)2+(3x-1)(2x+4)2(y+z)2-(4y+z)(3y-z)
x2-y2(c-q)(2x-2y)-(c-q)(x-y)
a2-20an+100n225-50(m-d)+25(m-d)2
d3-16d81x4-1
60a2-80a214ab2c+70b
6p(y+1)+28q(y+1)2(y+1)-m(y+1)
49-4y22x2-18y2
0.36m2-1(9x+y)2-(x+8y)2
16-80y+100y2(x+y)2-4m(x+y)+4m2
9m2-12m+416a2+8a(x-y)+(x-y)2
x2+15x+56x2-8x-9
8x2-18x+1036-36n2
(3xy)3•(-xy3)2(4a-b)(a+6b)
2x(x+5)(x+4)(5x+2y+4)2
20.2×
19.870022
(9a)2•b4•14a2b2(8x4y2-2x2y2z3)•xy
2(x+3)2+(2x+5)(3x+1)4(y-z)2+(2y+z)(4y+z)
x2-y2(q+a)(6x-y)+(q+a)(6x-y)
a2+12am+36m24+12(n-b)+9(n-b)2
a3-100ax4-81
35a+20a20ab2c+30b4c
10q(2-a)+28p(2-a)4(2-a)+m(2-a)
9-9y236x2-100y2
64x2-144(7x-5y)2-(2x+10y)2
1+6x+9x2(a-b)2-10m(a-b)+25m2
36y2+84y+494a2+4a(x+y)+(x+y)2
x2+8x+12x2-6x-7
2x2+23x+304-100n2
(-3xy3)2•(x2y)2(a+b)(a+4b)
-3x(x+1)(x-2)(x+6y-3)2
70.2×
69.89992
(2a)3•b4÷
16ab(x4y2+3x2y2z3)÷
7x2y2
(x+3)2-(3x+2)(4x+3)(y-z)2+(2y+z)(4y+z)
x2-9y2(a-n)(2x+2y)-(a-n)(x-3y)
a2-12ax+36x216+24(n-b)+9(n-b)2
a3-81a81x4-16
65a4-40ab14ab3c-80bc
6q(y+9)+36p(y+9)4(y+9)+m(y+9)
9-81a218x2-18y2
9b2-4(6x-y)2-(9x+y)2
100+60b+9b2(a+b)2-6m(a+b)+9m2
16y2-80y+1009a2-6a(m-n)+(m-n)2
x2-14x+49x2-5x-24
12x2-26x+124-36m2
(2x3y)3•(x2y3)3(a-b)(a-3b)
-2x(x+1)(x+5)(x-2y-2)2
60.4×
59.669982
(2a)3•b3÷
6a2b2(2x3y4+5x4y3z2)•x2y
(x+3)2+(2x+4)(2x+5)(y+z)2+(2y-z)(3y+z)
49x2-y2(c+m)(x-2y)+(c+m)(3x-5y)
a2+18am+81m29+24(p-a)+16(p-a)2
a3-81a16x4-16
75a3-20a318a4bc+80bc
12q(y+5)+4q(y+5)4(y+5)+m(y+5)
16-4b216x2-36y2
0.49x2-400(7x+6y)2-(x+y)2
16+64n+64n2(m+n)2-4m(m+n)+4m2
64x2+48x+99a2-6a(x-y)+(x-y)2
x2-14x+49x2-6x-27
5x2+58x+8049-64x2
(-3xy3)2•(x3y3)3(a-5b)(4a-b)
-2x(x-3)(x-2)(4x-y+2)2
90.2×
89.89992
(9a)2•b3÷
8a2b(x3y4-2x4y2z4)•8x2y2
2(x+2)2-(2x+4)(4x+5)(y-z)2-(4y+z)(2y+z)
100x2-49y2(a-p)(x+y)+(a-p)(5x-5y)
a2+18ax+81x24+20(q+b)+25(q+b)2
a3-81ax4-16
25a2-100ab8abc-80b2
6p(x+6)-24q(x+6)6(x+6)-m(x+6)
81-81y23x2-3y2
0.64a2-361(x-4y)2-(x+y)2
49-140y+100y2(a+b)2+4m(a+b)+4m2
16x2-48x+3616a2-8a(x-y)+(x-y)2
x2-6x+8x2+8x-20
5x2-27x+101-100m2
(-2xy)2•(xy3)2(a-b)(a+2b)
-2x(x-5)(x+5)(3x+y-4)2
90.3×
89.769992
(5a)2•b3•20ab(3x3y2+6x4y4z4)÷
9xy
4(x-4)2+(4x-3)(2x+1)2(y+z)2+(3y-z)(2y-z)
36x2-49y2(m+d)(x-y)-(m+d)(x-6y)
a2-20an+100n225-60(a+m)+36(a+m)2
d3-64dx4-16
80a2+30ab10a2b2c+100bc
10q(2+a)+40q(2+a)4(2+a)+m(2+a)
4-100y232x2-18y2
0.64x2-361(x-y)2-(9x-9y)2
9-24n+16n2(m-n)2+8m(m-n)+16m2
49a2-56a+1616a2+8a(a-b)+(a-b)2
x2-13x+36x2+5x-24
9x2+45x+561-16n2
(-3xy)2•(xy2)2(5a+b)(a-6b)
2x(x+3)(x-2)(x-y-2)2
60.3×
59.74982
(2a)3•b3•4a2b2(2x3y4+9x3y3z3)•5x2y2
3(x+1)2+(4x-5)(4x+3)4(y+z)2-(4y-z)(3y+z)
x2-9y2(p+a)(x-6y)+(p+a)(4x-3y)
a2+16an+64n29-24(m+c)+16(m+c)2
b3-49bx4-1
60a+10a22a2b2c+20b2
20p(4-a)-24p(4-a)6(4-a)+m(4-a)
1-4x24x2-36y2
81y2-36(x+4y)2-(x-y)2
36-36a+9a2(x+y)2+8m(x+y)+16m2
64m2+160m+1004a2+4a(x-y)+(x-y)2
x2+14x+48x2-9x-10
5x2-32x+1225-4y2
(2xy2)2•(xy)3(4a-2b)(a+b)
-2x(x+4)(x-1)(x+y-3)2
2.2×
1.849972
(5a)2•b4÷
10a2b(x3y4-x4y2z4)•2xy2
(x-2)2-
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