人教版初二数学上册整式的乘法和因式分解练习题大全60文档格式.docx

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人教版初二数学上册整式的乘法和因式分解练习题大全60文档格式.docx

(-3xy)3•(-x3y)2(4a-3b)(3a-b)

-2x(x+2)(x+5)(x-2y+3)2

6.3×

5.72982

(8a)2•b2•6ab2(9x2y2-4x2y3z2)•4x2y2

(x+1)2+(3x+2)(3x-3)(y+z)2+(3y-z)(4y+z)

25x2-y2(m-a)(2x-y)-(m-a)(3x+y)

a2+20ax+100x216-48(d+p)+36(d+p)2

a3-25ax4-81

(-3x3y)3•(xy)2(5a+b)(a-b)

2x(x+4)(x+1)(x-y-1)2

20.3×

19.720012

(5a)3•b3•10ab2(x2y4+x4y2z2)÷

xy

(x-3)2-(2x+4)(3x-4)(y+z)2+(4y-z)(2y+z)

9x2-4y2(q+a)(x-y)+(q+a)(x+5y)

a2-8am+16m24-28(p+a)+49(p+a)2

c3-81cx4-16

(3x3y2)3•(-x2y3)3(a+b)(4a-b)

-2x(x-3)(x-2)(x+y+1)2

6.4×

5.65952

(5a)2•b4÷

12a2b2(9x4y2+x4y4z4)÷

4x2y2

(x+3)2+(4x+4)(2x-2)(y-z)2+(2y-z)(3y-z)

x2-64y2(m-b)(x-y)+(m-b)(5x+6y)

a2+4an+4n236-48(p-a)+16(p-a)2

d3-4dx4-1

(-3x3y)2•(xy3)3(6a+b)(a+b)

-3x(x+2)(x+4)(3x-5y+2)2

5.3×

4.789972

(4a)3•b4•20ab2(x2y4-x3y2z3)÷

8x2y

4(x+4)2+(3x-2)(4x+4)4(y-z)2+(4y+z)(2y+z)

49x2-25y2(c-q)(3x+2y)+(c-q)(2x+y)

a2+10ax+25x216+24(c-q)+9(c-q)2

c3-25c81x4-1

(-3x2y)2•(x2y)2(a-b)(a-6b)

-3x(x+5)(x+5)(5x+y+1)2

30.2×

29.899962

(7a)3•b3÷

18ab2(3x3y4-x3y2z3)•xy2

4(x+4)2+(4x+4)(3x-4)(y+z)2+(2y-z)(4y-z)

16x2-9y2(m-c)(x+4y)-(m-c)(x-5y)

a2+10ay+25y236-72(p-b)+36(p-b)2

d3-36d81x4-1

(2xy3)3•(xy2)2(2a-b)(4a+5b)

-2x(x+1)(x-4)(5x+y-1)2

9.3×

8.77972

(9a)3•b2•12a2b2(8x3y2+7x2y4z4)÷

(x-1)2+(2x-2)(2x-5)3(y+z)2-(2y-z)(3y+z)

x2-16y2(c+p)(6x-y)-(c+p)(5x-3y)

a2+4ax+4x24-28(p+a)+49(p+a)2

b3-100b16x4-81

(-3xy)3•(x2y)2(a-b)(a-b)

-2x(x+5)(x+2)(x+y+2)2

9.2×

8.859992

(8a)3•b4•16ab2(x3y2-x4y2z2)•3xy2

(x-1)2-(2x-2)(2x-5)(y-z)2-(4y+z)(2y+z)

36x2-4y2(a+m)(2x-y)+(a+m)(x-4y)

a2-16am+64m24-20(m+b)+25(m+b)2

a3-16ax4-16

(3xy)2•(-x2y)2(3a-5b)(a+b)

3x(x+3)(x-3)(x-y-1)2

90.1×

89.98972

(8a)3•b4÷

16a2b(5x4y4-3x3y4z3)÷

7x2y

(x-2)2-(3x+3)(2x+1)(y+z)2+(4y-z)(2y+z)

4x2-y2(a-n)(3x+5y)-(a-n)(4x+4y)

a2-18ax+81x216+24(m+a)+9(m+a)2

b3-9b16x4-1

(2x3y)2•(xy)3(3a-b)(a+5b)

2x(x+4)(x-5)(x-3y-1)2

40.4×

39.619952

(3a)3•b2•8a2b2(x4y2+2x3y3z3)•x2y

(x-4)2-(2x+5)(3x-3)4(y-z)2+(3y+z)(3y-z)

16x2-y2(p+d)(x+4y)+(p+d)(3x-2y)

a2-12an+36n29+30(c-q)+25(c-q)2

a3-25ax4-256

(2x2y)2•(-x2y3)2(2a+b)(a-3b)

-2x(x-1)(x+1)(x+6y-2)2

20.1×

19.97042

(7a)2•b4•6ab(4x3y2+x2y3z3)•4x2y2

(x+2)2+(3x-5)(4x+1)(y+z)2-(4y-z)(3y+z)

x2-4y2(n+b)(5x-5y)-(n+b)(6x+y)

a2+4an+4n29-24(c-q)+16(c-q)2

c3-4cx4-256

(2x2y2)3•(x2y2)2(a-4b)(a+b)

2x(x-1)(x+5)(x+2y+2)2

60.3×

59.7100032

(7a)2•b4÷

4ab2(x4y3+2x2y2z4)•x2y

(x-1)2+(4x-3)(3x+5)3(y-z)2+(3y+z)(2y+z)

81x2-y2(c-p)(2x+6y)+(c-p)(x-y)

a2-16ax+64x216-16(b-n)+4(b-n)2

a3-16ax4-81

(2x3y)3•(x2y3)3(a+b)(2a+b)

2x(x+2)(x-3)(x+y-1)2

30.1×

29.93022

(5a)3•b4•4a2b2(5x4y3-x3y2z4)÷

6xy2

(x-2)2+(2x+2)(2x-1)(y-z)2+(4y-z)(3y-z)

81x2-y2(b-q)(x-y)+(b-q)(5x+y)

a2-8ab+16b236-48(c+n)+16(c+n)2

d3-49d16x4-1

(-3x2y)2•(x2y2)2(a+b)(a+b)

3x(x-1)(x+3)(x-5y+3)2

60.2×

59.82982

(4a)2•b3•4a2b(x2y2-x3y2z4)÷

x2y2

4(x-1)2-(4x-1)(4x-1)(y+z)2+(4y+z)(4y-z)

x2-9y2(a-q)(x+5y)+(a-q)(x+y)

a2+12ay+36y29+12(a-p)+4(a-p)2

b3-9bx4-1

(-2xy)2•(xy3)2(5a-4b)(a-b)

2x(x+4)(x+1)(x+6y-3)2

30.3×

29.78972

(4a)2•b2÷

16ab(x2y2+x4y4z4)•9xy

4(x-4)2-(2x-3)(4x-2)(y-z)2-(3y+z)(2y-z)

9x2-16y2(d-q)(x-5y)+(d-q)(x+2y)

a2+14ax+49x216+40(m-d)+25(m-d)2

(-2xy3)2•(-xy)3(a+b)(6a-3b)

2x(x+3)(x-5)(x+y+3)2

10.1×

9.910012

(9a)3•b4÷

12a2b(x4y4-x2y4z4)•x2y

4(x-1)2-(2x+5)(2x+2)4(y-z)2-(3y+z)(4y+z)

81x2-49y2(n-a)(3x-y)-(n-a)(x-3y)

a2+4an+4n225-70(d+m)+49(d+m)2

b3-25bx4-16

(3xy3)2•(-x3y)2(a+b)(2a+3b)

-2x(x+3)(x-5)(x+4y+1)2

89.99992

(9a)2•b2÷

14ab(x4y4+6x4y2z2)÷

4xy

(x-3)2+(2x-1)(2x-3)2(y+z)2+(4y+z)(2y-z)

25x2-25y2(c-n)(3x+6y)+(c-n)(x-3y)

a2-6ab+9b24+16(b-m)+16(b-m)2

d3-36dx4-1

(-2xy)2•(-xy)2(a-b)(a+4b)

-3x(x+5)(x-1)(4x+5y-2)2

5.63962

(5a)2•b2•8a2b(4x3y2+x4y4z3)÷

4(x+4)2-(3x+4)(2x-2)2(y+z)2-(4y+z)(3y+z)

x2-y2(c-n)(6x-y)-(c-n)(x-y)

a2+8ay+16y236+72(b+n)+36(b+n)2

b3-4b81x4-256

(-3xy)3•(xy2)2(a+3b)(a+6b)

2x(x-4)(x+3)(x-y+1)2

7.4×

6.68002

(3a)3•b2•20ab(x3y2+x2y4z3)÷

xy2

2(x-2)2+(4x-1)(2x-2)4(y-z)2+(4y-z)(4y-z)

x2-y2(c+q)(x-y)-(c+q)(6x-3y)

a2-6ab+9b216-32(d-q)+16(d-q)2

a3-49a81x4-256

(-3xy2)2•(xy)2(a-6b)(2a+5b)

2x(x+1)(x-2)(x-3y-4)2

4.2×

3.89992

(8a)2•b3•14a2b2(x3y4+6x2y4z2)÷

9x2y

2(x-2)2-(4x+1)(4x+1)2(y+z)2+(4y+z)(2y+z)

4x2-81y2(a-q)(3x-y)-(a-q)(6x+y)

a2+18ab+81b216+16(q-d)+4(q-d)2

c3-64cx4-1

(-2x2y)2•(-x2y)2(a-b)(3a-b)

-3x(x+5)(x-1)(x+4y+1)2

8.4×

7.680032

(4a)2•b4•14a2b(5x2y2-9x4y2z4)÷

(x+1)2-(2x+2)(4x+2)(y-z)2-(3y-z)(3y+z)

x2-4y2(q-a)(x+6y)+(q-a)(3x-2y)

a2+16ay+64y29-24(d-q)+16(d-q)2

d3-9dx4-16

(-3xy2)3•(x3y3)3(3a-3b)(5a+2b)

-3x(x+2)(x+5)(x-y-1)2

1.1×

0.91002

(9a)2•b4÷

2a2b(7x3y4+2x2y3z4)•xy

3(x+3)2+(3x-4)(3x+2)3(y+z)2+(2y+z)(3y-z)

x2-64y2(c-m)(6x-y)-(c-m)(x-2y)

a2-18ax+81x29+30(p+c)+25(p+c)2

a3-25ax4-16

(-3xy)2•(x2y)2(a-b)(a+5b)

-2x(x+4)(x+3)(x+5y+3)2

4.1×

3.929952

(6a)2•b3÷

4a2b2(x3y3-x4y3z3)÷

2xy2

2(x+2)2-(2x-3)(4x+1)4(y-z)2-(2y+z)(2y+z)

x2-81y2(p+c)(x+y)-(p+c)(x+3y)

a2+4ab+4b236-36(b-p)+9(b-p)2

c3-16cx4-1

(3x3y)2•(-x2y)3(2a+b)(a-2b)

2x(x+1)(x+1)(5x+y+1)2

9.939962

(6a)2•b2•4a2b2(x3y3+x3y4z2)•6xy2

2(x-2)2-(2x+2)(2x+2)2(y-z)2+(3y-z)(2y+z)

x2-100y2(d+p)(5x+y)-(d+p)(x+y)

a2-10am+25m29-24(p-d)+16(p-d)2

a3-100ax4-16

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