八年级数学上册整式乘除法和因式分解109文档格式.docx
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8q(9+a)-32q(9+a)4(9+a)+m(9+a)
64-4y23x2-27y2
0.36n2-49(x+y)2-(8x+8y)2
16-80x+100x2(m+n)2+8m(m+n)+16m2
81n2+108n+364a2-4a(m+n)+(m+n)2
x2+13x+36x2+6x-27
9x2-42x+4564-49x2
(3xy)2•(x2y3)3(4a+b)(3a-2b)
-3x(x-4)(x+2)(x-y+3)2
7.2×
6.82952
(8a)3•b3•4a2b2(7x4y4+3x4y4z4)÷
4x2y2
(x+1)2-(4x+5)(3x-1)(y+z)2+(4y-z)(2y-z)
81x2-49y2(p-c)(5x-3y)+(p-c)(x+y)
a2+10ay+25y225+20(n+d)+4(n+d)2
d3-25d81x4-1
100a-30a10a2bc+80b4c
2p(8-b)+16p(8-b)4(8-b)+m(8-b)
16-4y23x2-12y2
4y2-100(x-5y)2-(x-y)2
25-90a+81a2(x+y)2-6m(x+y)+9m2
36n2+84n+4936a2-12a(a+b)+(a+b)2
x2-7x+10x2+3x-18
8x2+18x+725-9x2
(3xy3)3•(-xy2)3(3a-6b)(6a-4b)
-3x(x-3)(x+1)(x+3y+4)2
40.4×
39.63962
(2a)2•b2÷
20a2b2(x4y4+x4y2z2)÷
xy
(x-1)2-(3x+5)(2x-5)4(y+z)2+(2y+z)(4y-z)
x2-25y2(q-b)(3x+4y)+(q-b)(x+y)
a2-8ab+16b225+20(c+n)+4(c+n)2
b3-4bx4-81
80a3-50a2b18a2b2c+20b
14q(y+4)+40q(y+4)8(y+4)+m(y+4)
4-100b22x2-32y2
81m2-324(x-y)2-(x-10y)2
49+98n+49n2(a-b)2+12m(a-b)+36m2
64a2+144a+8136a2+12a(x-y)+(x-y)2
x2-16x+64x2+6x-7
6x2+46x+8016-36n2
(2x2y)3•(-xy3)3(a+b)(3a+b)
-3x(x+5)(x+3)(x+3y-4)2
1.3×
0.75982
(4a)3•b2•18a2b2(4x2y4+x3y4z4)÷
3(x+3)2+(2x-1)(4x+3)2(y+z)2+(3y-z)(4y-z)
100x2-y2(m+b)(3x-y)+(m+b)(x-y)
a2-6ab+9b29-42(m-c)+49(m-c)2
a3-49a81x4-1
50a+50a14abc+100b
20p(x-3)-16p(x-3)6(x-3)+m(x-3)
49-16n248x2-48y2
16x2-144(x-2y)2-(6x-8y)2
49-28x+4x2(m+n)2+6m(m+n)+9m2
4b2-20b+259a2+6a(x+y)+(x+y)2
x2-8x+15x2-5x-6
12x2-35x+184-16a2
(-2xy)2•(-x3y)3(a+5b)(5a-b)
2x(x+2)(x-1)(x-y+4)2
3.4×
2.670052
(8a)2•b2÷
20a2b2(x2y3-x4y4z4)÷
6xy2
(x+3)2-(4x-3)(4x-2)4(y+z)2+(4y-z)(2y-z)
x2-16y2(a+q)(x+4y)-(a+q)(x+3y)
a2+12am+36m216+32(m+d)+16(m+d)2
c3-49cx4-1
75a2+10a4b12a3b2c-70b
20q(3+a)-16q(3+a)6(3+a)+m(3+a)
49-36n232x2-2y2
0.04y2-121(x-2y)2-(x+y)2
64-128b+64b2(m+n)2+8m(m+n)+16m2
25x2+30x+99a2-6a(m+n)+(m+n)2
x2+14x+45x2-7x-8
20x2+57x+27100-100y2
(2x3y)2•(-xy3)2(2a+5b)(a+b)
-2x(x+4)(x-4)(3x-y+2)2
30.2×
29.81002
(8a)2•b3÷
8a2b2(x4y2-9x2y3z4)•x2y
(x-4)2+(2x+5)(2x-1)3(y-z)2+(3y+z)(3y-z)
25x2-9y2(m-a)(x-5y)-(m-a)(6x+2y)
a2+14am+49m216-48(a+m)+36(a+m)2
c3-100c16x4-16
90a-40a3b16ab2c-40bc
18q(x-3)-16q(x-3)4(x-3)-m(x-3)
16-49x2100x2-36y2
9m2-1(x-3y)2-(x-y)2
100-60n+9n2(m+n)2+12m(m+n)+36m2
25x2+50x+2516a2-8a(a+b)+(a+b)2
x2-10x+16x2+6x-7
10x2+44x+429-81m2
(3xy2)3•(-x3y2)2(5a-5b)(3a+b)
3x(x+5)(x+2)(4x-y+1)2
8.3×
7.7992
(9a)3•b2÷
16ab2(5x4y4+x4y3z3)÷
2x2y2
(x+4)2-(4x+2)(3x+2)(y+z)2-(4y+z)(2y-z)
81x2-16y2(q-a)(3x-y)-(q-a)(2x-3y)
a2+14ay+49y225+60(a+m)+36(a+m)2
d3-9dx4-81
90a2-90ab14a3bc-100b3
8q(y-3)+12p(y-3)6(y-3)-m(y-3)
100-9n264x2-64y2
0.81n2-1(x-6y)2-(8x+y)2
64+144x+81x2(a-b)2-8m(a-b)+16m2
49m2-28m+49a2+6a(m+n)+(m+n)2
x2-7x+10x2+6x-27
4x2-34x+724-9a2
(-2xy2)2•(x2y)3(a+b)(2a+b)
2x(x-2)(x+5)(x+y+4)2
10.1×
9.980032
(4a)2•b4÷
14ab(x4y2+7x4y3z2)÷
5xy
(x-4)2+(3x-5)(4x+2)(y-z)2-(4y+z)(2y-z)
25x2-y2(b+q)(2x-y)+(b+q)(4x+y)
a2+14ab+49b29+30(d+m)+25(d+m)2
d3-49dx4-81
25a+70a42a2b3c+90b4
20p(y+1)+8p(y+1)4(y+1)-m(y+1)
25-36b24x2-36y2
0.81x2-256(7x+y)2-(x+9y)2
49+42n+9n2(m-n)2-12m(m-n)+36m2
36x2-36x+936a2+12a(m+n)+(m+n)2
x2+7x+6x2-6x-40
8x2-36x+4016-81x2
(2xy3)2•(xy3)3(6a-2b)(a-b)
3x(x+5)(x+4)(3x-3y+3)2
1.2×
0.810002
(8a)3•b3÷
20ab(x3y2+x2y4z4)÷
4(x+4)2+(3x+1)