初中八年级数学上册整式的乘法和因式分解练习题33Word文档下载推荐.docx
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初中八年级数学上册整式的乘法和因式分解练习题33Word文档下载推荐.docx
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a2-12ab+36b225-40(b-m)+16(b-m)2
c3-16c16x4-81
50a+90a4b20abc+80b3c
18q(y-3)+32p(y-3)2(y-3)+m(y-3)
100-16n22x2-2y2
4x2-4(7x-6y)2-(x-7y)2
1-6a+9a2(a+b)2+12m(a+b)+36m2
36a2-120a+1004a2-4a(m+n)+(m+n)2
x2+4x+4x2-9x-10
6x2-44x+809-49m2
(2xy2)3•(xy)2(4a+2b)(3a-b)
3x(x-1)(x-5)(x+y+2)2
2.3×
1.76962
(2a)2•b3÷
18ab2(7x3y4-6x2y2z3)÷
x2y
(x+3)2-(3x+1)(2x-4)3(y-z)2+(4y+z)(2y-z)
x2-y2(n-b)(3x-y)+(n-b)(x+2y)
a2-6ab+9b29-12(n+c)+4(n+c)2
c3-100c16x4-1
25a2-20ab6abc+80b2
20p(6-a)+28q(6-a)2(6-a)-m(6-a)
100-49n24x2-64y2
0.04b2-289(9x-3y)2-(x-9y)2
1+4n+4n2(a-b)2+6m(a-b)+9m2
81y2-90y+2536a2-12a(x-y)+(x-y)2
x2-10x+9x2+5x-14
20x2-21x+4100-100b2
(-3x3y)2•(-x2y2)2(a-b)(a+b)
3x(x+3)(x-4)(5x+2y-4)2
8.1×
7.980032
(4a)3•b3÷
6a2b(2x3y4-5x2y4z4)•7xy2
2(x-1)2-(2x-5)(4x-5)3(y+z)2+(4y+z)(3y+z)
x2-y2(b-q)(6x+y)+(b-q)(2x+2y)
a2+16am+64m24+8(p-d)+4(p-d)2
d3-16d81x4-16
90a3+100ab12a4bc-80b4c
4q(2+b)+36p(2+b)2(2+b)+m(2+b)
81-100a218x2-50y2
4y2-361(x-y)2-(8x+y)2
81+144y+64y2(a+b)2+4m(a+b)+4m2
64m2-112m+4916a2+8a(m+n)+(m+n)2
x2+7x+10x2-4x-32
12x2-28x+169-9a2
(3xy)2•(-x2y2)3(a+5b)(3a+5b)
-3x(x+5)(x-1)(3x-4y+4)2
5.2×
4.84032
(9a)3•b4÷
4ab(4x2y3+x2y4z2)•x2y
(x+1)2-(2x+1)(4x-3)(y+z)2-(2y+z)(2y+z)
x2-9y2(n+d)(x+2y)+(n+d)(3x+4y)
a2-4am+4m216-16(d-n)+4(d-n)2
c3-81cx4-1
30a-40a414a3bc+60b
14p(3+b)+28p(3+b)8(3+b)-m(3+b)
49-36x264x2-4y2
64a2-196(2x+y)2-(x-y)2
81-72n+16n2(a-b)2+12m(a-b)+36m2
64m2-16m+14a2+4a(m-n)+(m-n)2
x2+16x+63x2+3x-18
3x2+8x+416-64a2
(3x3y)3•(-xy3)3(a-b)(a+b)
2x(x+1)(x+2)(x-y+1)2
9.3×
8.76982
(2a)3•b4•4ab(x2y4-x4y2z4)÷
(x+1)2+(3x+2)(3x+1)2(y+z)2-(2y-z)(4y-z)
x2-64y2(n-c)(3x+5y)-(n-c)(4x+y)
a2+8ay+16y225+50(m+c)+25(m+c)2
a3-49a16x4-81
35a4+60a2b14ab2c+60b3
8p(2-b)+8q(2-b)6(2-b)-m(2-b)
100-16a23x2-75y2
0.81y2-16(6x+y)2-(8x+9y)2
16+16x+4x2(a+b)2+6m(a+b)+9m2
25a2+30a+94a2+4a(x+y)+(x+y)2
x2+15x+54x2-6x-40
16x2+44x+3064-16b2
(2x3y3)2•(-x2y3)3(4a-3b)(a+6b)
-3x(x+3)(x-1)(3x-y+3)2
8.4×
7.649952
(7a)3•b3•20a2b(x3y3-8x3y3z4)•7x2y2
4(x-3)2-(2x-2)(3x+4)3(y+z)2-(4y-z)(4y+z)
x2-36y2(b-p)(x-y)+(b-p)(x-2y)
a2-12ay+36y216-24(m+d)+9(m+d)2
c3-81cx4-16
55a2+60a44ab3c-30b3c
8q(9-b)+8p(9-b)8(9-b)+m(9-b)
1-49y264x2-36y2
16b2-36(x-3y)2-(2x-9y)2
4+36x+81x2(a-b)2-12m(a-b)+36m2
81n2+108n+3636a2+12a(a+b)+(a+b)2
x2+7x+10x2-4x-45
12x2-60x+721-9b2
(3xy3)2•(-x2y)3(a+3b)(6a-b)
2x(x+3)(x+4)(2x+y+2)2
8.3×
7.78992
(8a)3•b2÷
2ab2(9x3y2+x2y3z3)÷
(x-1)2-(3x-2)(3x-5)4(y-z)2+(3y+z)(2y+z)
36x2-81y2(c+m)(x+y)-(c+m)(x+y)
a2+14ab+49b24-8(q-d)+4(q-d)2
d3-16dx4-256
70a-40ab4ab2c-90b
4q(x-2)+28p(x-2)4(x-2)+m(x-2)
9-9m236x2-100y2
0.81y2-81(x-y)2-(4x+y)2
1-6m+9m2(x-y)2+12m(x-y)+36m2
4y2-24y+3636a2+12a(a-b)+(a-b)2
x2+11x+28x2-4x-12
8x2+26x+181-81x2
(-2xy)2•(xy)3(a-3b)(a-b)
-3x(x+4)(x+5)(x+6y-3)2
3.1×
2.98962
(9a)3•b2•8a2b2(6x3y3-x3y3z4)•2xy2
(x-1)2-(2x+5)(4x-2)(y-z)2-(4y-z)(3y+z)
64x2-25y2(q-a)(5x-y)-(q-a)(5x-3y)
a2-20am+100m216-56(d-q)+49(d-q)2
d3-4d81x4-1
30a-60ab20a4bc-80bc
4q(x+7)+4q(x+7)6(x+7)-m(x+7)
100-25a2100x2-4y2
25m2-121(4x-6y)2-(x+y)2
36+84a+49a2(x+y)2+12m(x+y)+36m2
64y2-112y+4936a2+12a(x+y)+(x+y)2
x2+11x+30x2+7x-30
10x2+43x+28100-9a2
(3x3y)2•(x3y3)2(a+5b)(a+5b)
-2x(x-2)(x-5)(4x+4y+2)2
4.1×
3.93992
(2a)2•b4÷
6ab(4x3y4+x3y2z4)•4x2y
2(x-4)2+(4x+2)(2x-3)3(y+z)2+(2y+z)(4y+z)
x2-y2(q-b)(x-3y)-(q-b)(x-y)
a2+20ax+100x216+48(c+n)+36(c+n)2
c3-64cx4-16
45a+60ab10a2b3c-50bc
4q(x+2)+28q(x+2)2(x+2)-m(x+2)
16-49a24x2-100y2
0.16n2-81(4x-y)2-(x-y)2
64+96x+36x2(x+y)2-10m(x+y)+25m2
25m2+100m+10016a2+8a(m-n)+(m-n)2
x2-7x+12x2-5x-50
5x2-27x+109-49n2
(3x2y2)2•(-x2y)2(a+3b)(a+b)
-2x(x-5)(x-3)(x+y-2)2
7.3×
6.710032
(3a)2•b2÷
12a2b2(x3y3+x3y3z4)•xy2
3(x-1)2+(3x+1)(3x+3)2(y+z)2+(3y+z)(4y+z)
49x2-100y2(a+m)(3x-3y)+(a+m)(x+2y)
a2-12an+36n225-70(p-d)+49(p-d)2
c3-9cx4-81
25a3-20a3b4a4b2c+20b
16q(1-b)+12p(1-b)4(1-b)-m(1-b)
25-9a264x2-100y2
81x2-169(x-y)2-(4x-y)2
9-48b+64b2(x-y)2-10m(x-y)+25m2
36m2+84m+4916a2-8a(m+n)+(m+n)2
x2-9x+14x2+5x-36
6x2+30x+2464-9a2
(-2x3y3)2•(-xy)3(a-b)(a-b)
2x(x-2)(x+2)(x+y-3)2
70.4×
69.630032
(3a)2•b4•10a2b2(5x3y2+x4y2z2)÷
2xy
(x-4)2+(4x+4)(3x+3)3(y-z)2+(3y-z)(4y+z)
x2-49y2(m+c)(3x-y)+(m+c)(x+6y)
a2-20am+100m225-60(n+d)+36(n+d)2
b3-25bx4-1
90a-20ab18a2bc+40b
2p(y+5)-24p(y+5)6(y+5)+m(y+5)
9-100n232x2-8y2
64a2-144(x+4y)2-(x-y)2
4+8n+4n2(a-b)2+6m(a-b)+9m2
81m2+126m+4916a2-8a(x-y)+(x-y)2
x2-12x+27x2+7x-30
12x2-23x+1064-81x2
(-2xy3)2•(xy3)3(a+5b)(a+b)
-3x(x+3)(x-4)(x-3y-4)2
69.63022
(7a)3•b2•18ab(3x2y3-x2y4z3)÷
x2y2
(x-1)2+(4x+1)(3x-1)2(y-z)2+(2y+z)(4y+z)
100x2-49y2(c+m)(5x+y)+(c+m)(x-6y)
a2+4ax+4x236-84(b-p)+49(b-p)2
c3-49c16x4-1
80a4-30ab20a3b2c+90b3
6q(y+9)-40q(y+9)8(y+9)-m(y+9)
25-25m264x2-100y2
64a2-81(6x+5y)2-(2x-7y)2
16+16b+4b2(m+n)2+6m(m+n)+9m2
4m2+4m+125a2+10a(m+n)+(m+n)2
x2-5x+4x2+5x-50
20x2-19x+31-16a2
(3xy2)3•(-xy2)3(5a+b)(6a+b)
2x(x-2)(x-4)(5x-y+4)2
2.1×
1.92992
(8a)3•b4•20ab2(5x3y2-2x4y4z4)•x2y
(x-2)2+(2x+5)(2x-2)2(y+z)2-(2y-z)(2y+z)
x2-y2(q-c)(x-2y)+(q-c)(x-4y)
a2+10ay+25y24-8(n-a)+4(n-a)2
d3-81d81x4-16
65a2+60a220a2b2c+100bc
10q(y-4)-12p(y-4)4(y-4)+m(y-4)
81-25m227x2-3y2
4y2-9(x-y)2-(x+y)2
4-12m+9m2(x+y)2-4m(x+y)+4m2
4m2-32m+6425a2+10a(m-n)+(m-n)2
x2-14x+45x2+9x-10
5x2+22x+211-16a2
(-2x2y3)2•(xy3)2(a+2b)(5a+b)
-2x(x-3)(x-1)(x-y+4)2
50.1×
49.92012
14a2b2(6x3y3+4x2y3z2)÷
xy2
(x+4)2-(2x+4)(4x+5)(y+z)2-(2y-z)(4y+z)
9x2-y2(n-d)(x+y)-(n-d)(3x-y)
a2-20ay+100y236+24(q-b)+4(q-b)2
85a+100ab16a2bc-30bc
10q(x+8)-16p(x+8)4(x+8)+m(x+8)
25-36m212x2-12y2
49n2-4(x-5y)2-(x+y)2
4-16y+16y2(m-n)2-4m(m-n)+4m2
49n2-70n+2525a2+10a(a+b)+(a+b)2
x2-9x+14x2-5x-50
4x2+12x+54-4n2
(-3xy2)2•(x3y)3(4a+6b)(a-3b)
2x(x+4)(x-5)(5x-4y+2)2
1.1×
0.97952
(3a)2•b2•6ab(9x2y3-8x2y3z2)÷
7x2y
(x+3)2-(4x+1)(2x-3)(y-z)2+(3y-z)(3y+z)
36x2-4y2(p+d)(x+y)-(p+d)(4x-5y)
a2-12ax+36x225+50(c+q)+25(c+q)2
a3-100a16x4-1
90a3+100a20ab2c+30b2
4q(y-4)+8q(y-4)2(y-4)+m(y-4)
1-81n2100x2-36y2
25n2-225(x+5y)2-(8x-7y)2
9-36m+36m2(x+y)2+12m(x+y)+36m2
36x2-12x+14a2-4a(a-b)+(a-b)2
x2-8x+7x2+9x-10
20x2+80x+809-9m2
(3x3y2)3•(xy2)3(3a-b)(a+4b)
-3x(x+4)(x+5)(2x+3y-1)2
90.4×
89.619972
(5a)2•b4•2a2b2(4x2y4-x3y3z2)•x2y2
2(x+1)2+(3x-1)(2x-1)2(y+z)2+(4y-z)(2y+z)
9x2-y2(p-d)(5x-y)-(p-d)(4x+y)
a2-4ax+4x29+42(a+n)+49(a+n)2
b3-25bx4-81
35a2+20a4b8a2bc+100b
4p(2-a)+28p(2-a)
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