人教版初二数学上册整式的乘法和因式分解练习题大全40Word文档格式.docx
《人教版初二数学上册整式的乘法和因式分解练习题大全40Word文档格式.docx》由会员分享,可在线阅读,更多相关《人教版初二数学上册整式的乘法和因式分解练习题大全40Word文档格式.docx(16页珍藏版)》请在冰豆网上搜索。
(3x3y3)2•(x2y)2(5a+3b)(4a+b)
-3x(x-5)(x+4)(x+5y+1)2
7.4×
6.64012
(2a)2•b3÷
12a2b(8x3y2+6x2y4z4)•2xy2
3(x+2)2-(4x-4)(2x-3)4(y+z)2+(3y-z)(4y-z)
x2-y2(p+d)(4x-y)+(p+d)(x+4y)
a2+8ax+16x236-84(d-q)+49(d-q)2
c3-9cx4-81
(-2xy)2•(-x3y)3(a+b)(5a-2b)
2x(x-3)(x-4)(x-2y+3)2
50.2×
49.850042
(9a)2•b2÷
6a2b2(5x4y3+7x4y2z4)÷
x2y2
(x-2)2-(4x-1)(3x+3)2(y+z)2+(3y-z)(4y+z)
x2-36y2(q-c)(3x-5y)-(q-c)(3x+y)
a2-12ab+36b236-24(d+q)+4(d+q)2
a3-36ax4-16
(3xy2)2•(x3y2)2(a-b)(a-4b)
-2x(x-1)(x+4)(x-y+2)2
3.1×
2.999992
(3a)3•b2•4ab2(9x3y4+4x4y4z4)•xy
(x-1)2+(4x-2)(3x+2)(y-z)2-(4y+z)(4y-z)
x2-100y2(b+p)(3x+4y)+(b+p)(6x-4y)
a2-10ay+25y29+12(q-c)+4(q-c)2
c3-36cx4-16
(-3xy)3•(xy)2(a-6b)(2a-5b)
3x(x+1)(x-3)(3x+4y+4)2
6.4×
5.69052
(8a)2•b2÷
10a2b2(7x4y3+x3y3z2)÷
2x2y
4(x+3)2+(3x-5)(3x-3)(y-z)2+(4y-z)(3y-z)
x2-49y2(n-b)(6x-3y)+(n-b)(5x+y)
a2-16am+64m225-20(c+q)+4(c+q)2
a3-64ax4-16
(-3xy)3•(-x3y)2(a-b)(a+5b)
-2x(x-2)(x-4)(x+3y+2)2
1.4×
0.669972
(6a)3•b3•16a2b(x3y2+x4y4z3)÷
x2y
3(x-3)2+(4x-2)(4x-2)(y-z)2-(2y+z)(3y+z)
9x2-y2(n+d)(2x+6y)+(n+d)(x-4y)
a2+6ay+9y225-20(q+c)+4(q+c)2
d3-81dx4-16
(2x3y)3•(xy3)3(a-b)(6a+5b)
-2x(x+5)(x+5)(5x+5y-3)2
10.1×
9.989962
(8a)2•b4÷
18a2b2(x3y4+x4y4z4)•2xy2
2(x+3)2-(4x-5)(2x-5)3(y-z)2+(2y-z)(3y-z)
x2-y2(c-n)(5x+5y)-(c-n)(4x-3y)
a2-10ay+25y29-30(m+a)+25(m+a)2
a3-9ax4-81
(-2xy)3•(xy2)3(a+b)(a+6b)
-2x(x+3)(x+4)(3x-y+2)2
90.2×
89.84962
(2a)2•b2÷
16ab(x3y3+4x3y2z2)•7xy
(x-1)2-(4x-5)(3x-5)2(y-z)2-(4y-z)(3y-z)
25x2-y2(d-n)(4x+2y)+(d-n)(x-y)
a2-16ax+64x24+12(d-p)+9(d-p)2
c3-25cx4-16
(2xy2)3•(x2y2)3(2a+3b)(6a-4b)
3x(x+4)(x+5)(6x-2y+4)2
80.1×
79.999952
(7a)3•b4•10a2b2(8x3y3+x4y4z4)÷
xy2
2(x-1)2+(3x-5)(2x-1)2(y-z)2+(2y+z)(4y-z)
x2-49y2(a+q)(3x-2y)+(a+q)(x-5y)
a2-14an+49n216+24(c+n)+9(c+n)2
d3-100dx4-1
(-3xy)2•(-xy)2(4a-2b)(a+2b)
-3x(x-2)(x-3)(x+3y+1)2
8.4×
7.64012
(8a)2•b2•16ab(9x3y4+3x4y4z3)•xy2
4(x-4)2+(3x+1)(4x+4)3(y-z)2+(4y+z)(3y+z)
36x2-y2(n-a)(6x+y)-(n-a)(3x-2y)
a2-20an+100n24+16(m+a)+16(m+a)2
d3-9dx4-1
(2xy3)3•(xy)3(a-2b)(6a-5b)
-3x(x-2)(x-2)(x+y-2)2
4.3×
3.760052
(9a)2•b4÷
18ab2(x4y3-7x3y3z3)÷
xy
4(x-2)2+(4x+3)(3x-4)(y+z)2+(4y+z)(2y-z)
x2-y2(p-d)(x-y)+(p-d)(x-4y)
a2+8ax+16x236+36(d-n)+9(d-n)2
b3-16bx4-81
(-2xy)2•(xy2)3(a-4b)(3a+b)
3x(x+4)(x+4)(x+2y+3)2
9.91972
(2a)3•b4•16ab2(x2y3-x2y4z4)÷
3(x-4)2+(2x-3)(2x+5)(y-z)2+(3y+z)(3y+z)
16x2-y2(p+a)(2x+y)-(p+a)(x-3y)
a2+14ax+49x225-50(b-p)+25(b-p)2
b3-100b81x4-1
(2xy2)3•(xy2)3(4a+b)(6a+2b)
-2x(x+2)(x-1)(4x-2y-4)2
4.1×
3.940022
(8a)3•b3•6a2b2(x2y3-x3y2z2)•6xy
(x-2)2-(2x-2)(3x-3)3(y-z)2+(4y-z)(3y-z)
x2-81y2(c-p)(x-y)-(c-p)(x-2y)
a2+12ax+36x236+48(c-m)+16(c-m)2
(-2xy3)2•(xy3)3(5a-3b)(2a+b)
-3x(x+1)(x-1)(4x+y-2)2
1.2×
0.81022
(6a)2•b3÷
18a2b2(7x4y4+x2y3z4)÷
(x-2)2-(2x-2)(3x+1)3(y+z)2-(2y+z)(2y-z)
16x2-49y2(q-b)(3x-y)+(q-b)(x-3y)
a2+10ax+25x24+16(a-q)+16(a-q)2
a3-4ax4-256
(-2xy)2•(-x3y)3(a-b)(4a+b)
3x(x-3)(x+4)(2x+5y+4)2
5.1×
4.919982
(8a)2•b4•2a2b2(3x4y2+x2y2z3)•x2y2
3(x-4)2-(3x+4)(4x-4)(y+z)2+(3y-z)(2y+z)
x2-y2(d-q)(4x-5y)-(d-q)(4x-y)
a2+8an+16n216-32(a-n)+16(a-n)2
d3-81dx4-1
(2x2y)3•(-x2y)2(3a+b)(3a-6b)
2x(x-2)(x-2)(3x+y+2)2
89.84022
(8a)2•b3÷
12ab2(x4y2-3x4y4z4)÷
8xy2
2(x-4)2+(4x+3)(2x+4)(y+z)2-(2y+z)(3y+z)
4x2-64y2(a+p)(2x-y)-(a+p)(4x+5y)
a2-12ab+36b29+12(d-m)+4(d-m)2
c3-100cx4-81
(-2x2y)2•(xy)2(a+2b)(4a-5b)
2x(x-5)(x+4)(x-y-1)2
30.2×
29.82952
(6a)2•b2÷
2ab2(6x4y3-x3y4z2)•4xy2
(x+1)2+(2x+2)(4x+2)(y+z)2-(3y+z)(3y+z)
x2-y2(m+b)(5x-y)+(m+b)(3x+y)
a2+18an+81n29-12(m+c)+4(m+c)2
c3-4cx4-1
(-3x3y)3•(xy3)3(2a+6b)(6a+3b)
2x(x-1)(x+5)(x-y+2)2
70.4×
69.69012
(9a)3•b3÷
4ab(x2y2+9x3y3z3)•8xy
(x-2)2-(4x+3)(3x+2)3(y-z)2-(2y+z)(4y-z)
x2-4y2(q-b)(6x+5y)-(q-b)(6x+y)
a2+12an+36n225+20(n+a)+4(n+a)2
d3-36dx4-16
(-2xy)2•(xy2)3(5a-b)(4a+2b)
2x(x-2)(x+1)(2x+y+1)2
70.2×
69.859972
(3a)3•b2÷
6ab(8x4y3+3x4y3z3)÷
2(x+2)2-(2x+3)(2x-3)(y+z)2-(2y+z)(2y+z)
9x2-16y2(c-q)(4x-y)-(c-q)(x-5y)
a2+20ax+100x24+8(q-b)+4(q-b)2
a3-25ax4-256
(-2x3y)2•(-x2y)3(a+4b)(4a-b)
-2x(x-3)(x+4)(x-y-3)2
6.2×
5.810042
(9a)2•b3÷
10ab2(4x2y4-2x2y2z4)÷
3(x-3)2-(4x-4)(4x+2)3(y-z)2+(4y-z)(4y+z)
x2-y2(p-a)(x+6y)-(p-a)(3x+3y)
a2+10an+25n24+12(q-c)+9(q-c)2
a3-9a81x4-1
(2x3y3)3•(x3y)3(4a+2b)(a-b)
3x(x-4)(x-5)(4x-4y-2)2
6.69052
(6a)3•b4÷
4a2b2(x4y3+x3y2z4)•xy2
3(x-1)2-(2x+1)(4x+4)(y-z)2-(4y+z)(4y-z)
49x2-25y2(m-b)(4x+y)-(m-b)(5x+y)
a2+18ay+81y216+40(p-b)+25(p-b)2
c3-36c16x4-1
(2x3y)2•(x3y)2(a+b)(5a-5b)
2x(x+5)(x-5)(6x-y-1)2
70.1×
69.95032
(8a)3•b3•6a2b2(7x4y2-4x4y2z4)÷
(x+1)2-(2x+5)(2x-3)(y-z)2+(4y-z)(3y+z)
x2-81y2(p-c)(x-2y)+(p-c)(3x+3y)
a2-10an+25n24-24(a+q)+36(a+q)2
d3-9dx4-256
(2x2y2)2•(-xy)2(a-5b)(a+b)
-3x(x+2)(x-3)(5x-y+4)2
20.1×
19.929952
(7a)2•b2÷
10ab(x4y2+x4y4z3)÷
3(x+4)2+(2x-4)(4x-2)3(y+z)2-(2y-z)(3y-z)
81x2-y2(m+d)(4x+4y)+(m+d)(6x+3y)
a2+14an+49n225-20(d-m)+4(d-m)2
b3-25bx4-1
(-3x3y3)3•(xy3)3(4a-b)(a-3b)
-2x(x-5)(x-2)(x-3y+2)2
8.2×
7.86012
(6a)2•b4÷
6ab2(x4y4+8x3y4z2)•xy2
(x-4)2-(4x+2)(3x-1)(y+z)2+(4y+z)(4y+z)
49x2-y2(p+d)(5x-4y)+(p+d)(6x-y)
a2+8an+16n24-8(a-n)+4(a-n)2
c3-16cx4-256