初中八年级数学上册整式的乘法和因式分解练习题49Word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49Word文档下载推荐.docx
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a2-8an+16n29-42(q+a)+49(q+a)2
b3-100b81x4-16
25a-20a3b18a2bc-20b
12q(4-b)-4q(4-b)8(4-b)+m(4-b)
16-9a2100x2-36y2
0.49m2-4(7x+y)2-(x+y)2
49-98b+49b2(m+n)2+6m(m+n)+9m2
64b2+32b+425a2-10a(a-b)+(a-b)2
x2-10x+16x2+5x-14
12x2-40x+281-16b2
(-2xy)2•(x2y2)3(6a+4b)(5a-2b)
-3x(x-2)(x-4)(x+5y+2)2
40.3×
39.77012
(9a)2•b4•4ab2(2x4y3+2x2y4z3)•x2y
2(x-2)2+(3x+5)(3x+1)(y+z)2+(2y-z)(2y+z)
x2-y2(p+c)(x+y)+(p+c)(x-y)
a2+18ab+81b225-50(d+p)+25(d+p)2
c3-16cx4-256
80a4-70a316a4bc-20b3c
20p(x+3)-40p(x+3)8(x+3)+m(x+3)
100-25x23x2-75y2
0.04m2-64(7x-2y)2-(x-7y)2
49+98b+49b2(x+y)2-8m(x+y)+16m2
36m2+84m+499a2-6a(m+n)+(m+n)2
x2-10x+24x2+3x-40
9x2-39x+3081-49m2
(-3xy)2•(-xy)2(5a-5b)(a-3b)
-2x(x+4)(x+3)(5x+6y-2)2
1.2×
0.860012
(3a)2•b3•4ab(x3y4+x4y3z4)•x2y2
(x-1)2-(3x+3)(4x-5)(y-z)2-(4y+z)(3y-z)
16x2-y2(m+d)(x-4y)+(m+d)(x-4y)
a2-8an+16n24+28(q+a)+49(q+a)2
b3-16bx4-256
60a4-90a16abc-10bc
8p(x-4)+20p(x-4)4(x-4)+m(x-4)
81-81y275x2-48y2
9x2-196(x+y)2-(5x-9y)2
4+16m+16m2(x-y)2+10m(x-y)+25m2
25y2-10y+19a2+6a(x+y)+(x+y)2
x2+12x+36x2-2x-35
9x2-51x+709-16y2
(2xy2)2•(-x3y3)3(a+6b)(a+3b)
2x(x+2)(x-5)(2x+4y-3)2
9.2×
8.840012
(9a)2•b4•18ab2(8x4y3+x2y2z3)•6x2y2
(x+1)2-(4x+1)(4x-2)(y-z)2-(4y-z)(4y+z)
25x2-y2(q-b)(5x+y)-(q-b)(x-y)
a2-20ab+100b29-12(a+p)+4(a+p)2
a3-36ax4-1
45a3+70a312ab2c+70b
8p(y-5)-40p(y-5)8(y-5)+m(y-5)
36-49m236x2-4y2
0.36b2-49(2x-y)2-(3x+10y)2
16-72n+81n2(m+n)2-10m(m+n)+25m2
16m2+80m+10036a2+12a(a-b)+(a-b)2
x2+10x+16x2-5x-36
4x2-14x+1081-25b2
(2x2y2)2•(-x3y)3(5a+4b)(a+5b)
-3x(x-2)(x+5)(x-y-1)2
60.4×
59.670002
(5a)3•b4•14a2b2(3x2y3-x4y2z4)÷
x2y2
(x-3)2+(2x-4)(3x+1)4(y+z)2+(2y-z)(3y-z)
x2-y2(a-q)(4x+y)-(a-q)(x+y)
a2+8an+16n29-30(b-q)+25(b-q)2
d3-64d16x4-256
40a3+30a2b20a4bc-20b3
2q(y-3)+40q(y-3)6(y-3)+m(y-3)
100-16a212x2-27y2
0.36y2-361(3x+3y)2-(x-y)2
9+48x+64x2(x-y)2+4m(x-y)+4m2
81n2+54n+916a2+8a(x+y)+(x+y)2
x2-12x+32x2+5x-14
8x2+38x+94-4x2
(-2x3y3)2•(-x2y)3(a+b)(a-b)
3x(x-1)(x-2)(x-y+1)2
70.4×
69.630032
(7a)3•b3•18a2b2(x4y3-x2y2z3)•9x2y2
3(x-2)2+(3x+3)(3x-1)(y-z)2-(3y-z)(2y-z)
16x2-4y2(c+n)(x-y)+(c+n)(x+y)
a2+16ab+64b24+28(n-b)+49(n-b)2
a3-100ax4-81
55a+40a8a2bc+20b4
16q(1+a)-4q(1+a)2(1+a)-m(1+a)
4-64a2100x2-4y2
36x2-1(2x-y)2-(x-y)2
1-12n+36n2(x-y)2+4m(x-y)+4m2
4n2+4n+14a2-4a(a-b)+(a-b)2
x2-15x+54x2+7x-18
5x2+51x+101-4x2
(-3xy)2•(xy2)2(a+5b)(2a+b)
-3x(x-3)(x+5)(3x+y+3)2
80.4×
79.660032
(9a)3•b2÷
4ab(8x2y2-x4y2z3)•8x2y
2(x-2)2+(4x+2)(4x-5)(y-z)2+(3y+z)(2y-z)
x2-16y2(p-a)(2x+y)-(p-a)(6x+y)
a2-4am+4m236-36(d-n)+9(d-n)2
a3-36a81x4-1
80a4+100a12a4bc-50b
6p(x+3)-32p(x+3)2(x+3)+m(x+3)
100-36b232x2-18y2
4x2-324(x+y)2-(7x+9y)2
49-140b+100b2(x-y)2+10m(x-y)+25m2
81m2-108m+364a2-4a(a-b)+(a-b)2
x2-10x+24x2-3x-40
6x2-19x+1036-36a2
(3x2y)2•(-x2y)2(6a-6b)(a+6b)
-3x(x+1)(x+4)(x-y-4)2
49.75972
(8a)3•b2•16a2b2(x4y4-x3y3z2)•x2y
(x-2)2-(2x-3)(4x+4)3(y+z)2+(3y+z)(4y-z)
9x2-64y2(p-c)(2x-3y)+(p-c)(5x+y)
a2+10ab+25b216-16(n+c)+4(n+c)2
b3-49bx4-1
60a-90a12a2bc+20b4c
20q(y+8)+36q(y+8)6(y+8)-m(y+8)
9-16m264x2-64y2
64b2-1(6x-5y)2-(4x-y)2
49+126a+81a2(a-b)2+4m(a-b)+4m2
100x2-20x+116a2-8a(m+n)+(m+n)2
x2-4x+3x2-3x-28
8x2+46x+4549-100n2
(2x2y)2•(xy3)2(2a+5b)(3a+6b)
3x(x-4)(x-2)(x-5y+1)2
9.4×
8.63022
(4a)2•b2•18ab2(x2y2-9x3y4z3)÷
x2y
4(x-1)2-(3x-5)(2x-1)(y-z)2-(3y+z)(2y+z)
4x2-y2(c-n)(x+y)+(c-n)(x+y)
a2-4ax+4x236+72(q+a)+36(q+a)2
b3-81bx4-16
75a4-30a8ab2c-50b4c
20q(x+9)-32q(x+9)8(x+9)-m(x+9)
25-49n24x2-64y2
49x2-1(x+y)2-(x+y)2
9-18a+9a2(a+b)2+8m(a+b)+16m2
100n2-140n+494a2+4a(m-n)+(m-n)2
x2-6x+8x2+5x-36
9x2-33x+30100-81n2
(3x3y)2•(-x2y3)3(4a+b)(2a-3b)
2x(x-3)(x-3)(x+4y-3)2
10.4×
9.64952
(5a)2•b2÷
10a2b(2x3y2-x2y4z3)÷
4(x+4)2+(2x+5)(4x+2)(y+z)2-(3y-z)(4y+z)
16x2-81y2(m-c)(x-5y)+(m-c)(x+y)
a2-18ax+81x225+30(a-n)+9(a-n)2
a3-64a16x4-81
55a-20a4b10ab2c-70b
6q(y-3)+12q(y-3)2(y-3)+m(y-3)
4-25m236x2-36y2
9m2-144(x-y)2-(x+y)2
25+40x+16x2(a+b)2-6m(a+b)+9m2
25x2+40x+1625a2+10a(a-b)+(a-b)2
x2+5x+4x2+8x-20
12x2-46x+4036-9n2
(2xy3)2•(x2y)3(a+b)(5a+3b)
3x(x+5)(x-1)(x+3y+2)2
3.4×
2.61982
(5a)3•b3÷
14a2b(x2y3+6x4y4z3)•4xy
(x+1)2+(3x-2)(4x-4)3(y+z)2+(2y+z)(3y-z)
9x2-y2(d+m)(x-y)-(d+m)(x-y)
a2-6ax+9x216+40(n-d)+25(n-d)2
b3-64bx4-1
100a2+100ab20a4b2c+90b4c
8p(2+a)+16p(2+a)2(2+a)+m(2+a)
9-100m236x2-4y2
25b2-1(3x-y)2-(5x-y)2
1+18y+81y2(m-n)2-12m(m-n)+36m2
64a2-64a+1625a2+10a(m+n)+(m+n)2
x2+7x+12x2+5x-6
15x2-55x+501-100y2
(-2x3y)2•(x3y2)3(a+6b)(3a+5b)
2x(x-2)(x+5)(x+y+1)2
4.3×
3.749962
(8a)3•b2÷
20a2b(x3y4-x3y4z4)÷
3xy
2(x-4)2-(4x-1)(3x-5)3(y+z)2+(4y-z)(2y+z)
x2-16y2(p-a)(3x-4y)-(p-a)(3x-3y)
a2-4ay+4y29-24(n-b)+16(n-b)2
a3-81a16x4-256
30a3-100a42a2bc+90b2
10p(5-a)-24p(5-a)4(5-a)-m(5-a)
64-64m216x2-4y2
64x2-289(8x+6y)2-(6x+8y)2
64+96b+36b2(x-y)2-6m(x-y)+9m2
64y2+112y+499a2-6a(a+b)+(a+b)2
x2-15x+54x2-4x-32
3x2+13x+1281-4y2
(3xy3)3•(x2y)2(a-6b)(2a-6b)
2x(x+3)(x+5)(5x-y-4)2
8.1×
7.960032
18ab2(2x3y3+9x4y4z2)•xy2
3(x+4)2+(2x-5)(3x-3)4(y-z)2-(3y-z)(3y-z)
25x2-49y2(m+d)(2x-y)+(m+d)(5x-4y)
a2+4an+4n29-18(p+c)+9(p+c)2
a3-49a81x4-1
20a2-20a320abc-80bc
20p(6+a)-36p(6+a)6(6+a)+m(6+a)
16-81b216x2-100y2
81a2-81(x+y)2-(5x-8y)2
64+112a+49a2(x-y)2-4m(x-y)+4m2
4b2+40b+10016a2+8a(x+y)+(x+y)2
x2-9x+14x2+2x-24
3x2+31x+709-9n2
(3x2y)2•(x3y)2(a+b)(a-b)
3x(x+3)(x-2)(x-6y-4)2
3.1×
2.97962
(6a)3•b4÷
10a2b2(7x2y2-x3y2z4)÷
5xy
4(x-2)2-(4x+1)(2x+5)2(y-z)2+(3y+z)(3y-z)
x2-y2(q-b)(x+y)+(q-b)(5x+6y)
a2+10ax+25x216-48(m+a)+36(m+a)2
a3-36a81x4-16
40a-90a12ab3c+30b3c
6q(x-7)+24q(x-7)8(x-7)+m(x-7)
1-16b236x2-36y2
9y2-169(x+y)2-(5x-9y)2
4+40b+100b2(m-n)2-12m(m-n)+36m2
9b2-54b+8136a2+12a(m-n)+(m-n)2
x2+7x+12x2-7x-18
4x2-22x+241-49m2
(3x2y)2•(xy)3(a+5b)(2a-b)
-2x(x-5)(x+2)(x+6y+2)2
2.3×
1.789962
(2a)3•b4•20ab2(6x4y3+x4y3z3)÷
xy
4(x+3)2-(4x-4)(2x-4)3(y+z)2-(4y-z)(2y-z)
100x2-16y2(b-n)(x+4y)-(b-n)(4x-y)
a2+10ay+25y236+36(n-b)+9(n-b)2
c3-81cx4-1
55a4-30a2b12a3b2c-10b
18p(9+b)-36p(9+b)8(9+b)-m(9+b)
49-100x28x2-2y2
9n2-16(3x-6y)2-(5x+y)2
16-64m+64m2(x+y)2+4m(x+y)+4m2
64m2-112m+499a2-6a(x-y)+(x-y)2
x2-14x+48x2+8x-9
6x2-44x+7016-9a2
(3xy)3•(-xy2)2(2a+6b)(a+5b)
3x(x-1)(x-3)(2x+5y+2)2
4.2×
3.83002
(3a)3•b2÷
2ab2(6x4y2+x3y4z2)÷
3(x-4)2-(2x-3)(3x+5)4(y-z)2+(3y+z)(4y+z)
25x2-36y2(m-c)(x-y)+(m-c)(x-6y)
a2+4ax+4x216+32(n-c)+16(n-c)2
5a2+20a3b12a3b2c+10b2
4p(6-a)+24p(6-a)
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- 初中 八年 级数 上册 整式 乘法 因式分解 练习题 49