八年级数学上册整式乘除法和因式分解7Word下载.docx

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八年级数学上册整式乘除法和因式分解7Word下载.docx

0.16y2-169(x-5y)2-(x-10y)2

16+72x+81x2(m+n)2-4m(m+n)+4m2

25n2-60n+369a2-6a(a+b)+(a+b)2

x2-12x+27x2-9x-10

8x2+38x+91-9a2

(-3x3y)3•(xy3)2(a+2b)(a+b)

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

70.2×

69.86972

(3a)3•b4•6ab2(x2y2+x4y4z3)•8xy

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

x2-y2(b-n)(6x+y)-(b-n)(4x-3y)

a2-16am+64m225+60(a+q)+36(a+q)2

c3-49c81x4-16

25a-50a10ab3c+10b3c

12p(3+b)+8q(3+b)4(3+b)+m(3+b)

36-100b24x2-100y2

0.81n2-100(x+3y)2-(x+8y)2

36+108a+81a2(x+y)2+10m(x+y)+25m2

16n2-56n+499a2+6a(x-y)+(x-y)2

x2-14x+49x2+6x-7

12x2-47x+404-9n2

(3xy2)3•(x2y)2(5a-2b)(a-b)

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

69.81992

(4a)2•b3•2a2b(x2y2-x2y3z3)÷

7xy2

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

100x2-64y2(n+d)(5x-y)-(n+d)(3x-y)

a2-6ab+9b216-56(c-q)+49(c-q)2

c3-4c16x4-256

45a2+80a10abc-50bc

12q(y+8)+40q(y+8)8(y+8)+m(y+8)

4-100n24x2-64y2

49m2-400(5x+y)2-(x-9y)2

25+70y+49y2(a+b)2+6m(a+b)+9m2

4n2+20n+2536a2-12a(a+b)+(a+b)2

x2+13x+42x2+4x-12

15x2-30x+154-9b2

(3x2y)3•(-xy)3(a-3b)(a+b)

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

6.3×

5.78982

(9a)2•b3•4ab2(x2y2+2x2y2z4)•6xy2

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

36x2-y2(a+q)(x+5y)-(a+q)(x+2y)

a2+16an+64n216+16(c-m)+4(c-m)2

b3-16bx4-81

10a+70a4a4b2c-50bc

2p(1-b)-12q(1-b)4(1-b)+m(1-b)

100-100b236x2-16y2

0.36a2-100(x+4y)2-(x+8y)2

64-128a+64a2(x-y)2+10m(x-y)+25m2

25a2+20a+425a2-10a(a-b)+(a-b)2

x2-11x+30x2-5x-24

16x2-52x+304-81m2

(2xy)2•(-xy2)2(3a+b)(3a-b)

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

50.1×

49.98032

(7a)2•b2÷

14a2b2(x4y2+8x4y3z3)•xy

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

x2-y2(q-b)(x-2y)-(q-b)(x+6y)

a2+20ab+100b24-8(d-p)+4(d-p)2

d3-16d16x4-256

25a2+100a20a3b3c+60b3c

4q(8+a)+36q(8+a)2(8+a)+m(8+a)

36-49n275x2-75y2

0.16y2-64(x-5y)2-(x+y)2

4-28y+49y2(a+b)2-6m(a+b)+9m2

81m2+108m+3616a2-8a(a+b)+(a+b)2

x2+7x+12x2+1x-30

8x2-12x+464-4m2

(2x3y2)3•(-xy2)2(6a+b)(6a-2b)

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

50.2×

49.83002

6ab2(5x2y4-3x2y2z3)÷

2x2y2

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

49x2-y2(a-m)(6x+y)-(a-m)(x-2y)

a2-6ax+9x216-16(a-n)+4(a-n)2

a3-4a16x4-1

80a+70a32a2b3c+90b

2q(3-a)-16q(3-a)6(3-a)-m(3-a)

4-81x250x2-18y2

0.04x2-4(x-6y)2-(x-7y)2

9+60b+100b2(m-n)2-10m(m-n)+25m2

36n2+24n+436a2-12a(a-b)+(a-b)2

x2+9x+8x2-5x-36

6x2-35x+4916-36y2

(-3x2y3)2•(-xy3)2(4a-b)(a-b)

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

30.4×

29.650052

(8a)3•b4÷

4ab(4x3y3+3x3y2z3)•2xy

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

36x2-9y2(b-q)(x+6y)-(b-q)(x+3y)

a2+14ax+49x216+24(a+n)+9(a+n)2

c3-25c16x4-81

80a4+20a4b10a4b2c-10b

12q(x+3)-32p(x+3)4(x+3)+m(x+3)

100-4a22x2-2y2

0.49m2-64(5x+y)2-(x-9y)2

1-12y+36y2(m-n)2-8m(m-n)+16m2

49n2-56n+1636a2-12a(x-y)+(x-y)2

x2-14x+49x2-4x-12

5x2-27x+101-4x2

(-2x3y2)3•(xy)3(a-b)(a-b)

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

7.4×

6.68982

(7a)2•b2•20a2b(7x4y4-x4y3z2)÷

8x2y2

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

49x2-64y2(a+m)(3x-y)+(a+m)(x-y)

a2-16an+64n225+20(p+c)+4(p+c)2

c3-100c81x4-81

75a4-80ab8abc+90bc

20p(x+8)+40p(x+8)6(x+8)-m(x+8)

81-64n2100x2-4y2

0.36m2-196(4x-y)2-(x-y)2

36-120x+100x2(a-b)2+4m(a-b)+4m2

25y2-60y+364a2-4a(x+y)+(x+y)2

x2-8x+15x2-3x-18

8x2-44x+6016-25n2

(2xy)3•(-xy2)3(2a+b)(5a+b)

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

49.839962

6ab(5x4y4-x4y3z4)•4xy2

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

81x2-25y2(c+n)(4x+4y)+(c+n)(6x+4y)

a2+10an+25n24+28(p+a)+49(p+a)2

b3-81b81x4-16

65a-90ab20a4b3c+100b3c

6q(x+3)-32q(x+3)6(x+3)-m(x+3)

100-64y212x2-48y2

25y2-225(9x-y)2-(9x-y)2

1-20m+100m2(x+y)2+10m(x+y)+25m2

81b2+72b+169a2-6a(a+b)+(a+b)2

x2+8x+15x2-7x-18

12x2+36x+2425-36m2

(-2x3y)3•(-x2y2)2(a-b)(4a+5b)

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

70.3×

69.730042

(3a)3•b2•16a2b(x4y3-2x3y2z2)•xy2

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

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

a2-6ab+9b29-18(m+c)+9(m+c)2

d3-16dx4-256

10a+40a3b20a3b3c+90b3c

12q(4+a)+40q(4+a)4(4+a)+m(4+a)

4-9n216x2-100y2

0.25y2-121(4x-3y)2-(x-y)2

1+4y+4y2(m+n)2-4m(m+n)+4m2

36a2-108a+8125a2+10a(a-b)+(a-b)2

x2+10x+24x2-4x-21

2x2-23x+454-36m2

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