人教版初二数学上册单项式乘多项式练习题精选40Word格式文档下载.docx
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人教版初二数学上册单项式乘多项式练习题精选40Word格式文档下载.docx
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(-6×
103)(-a2b)(-2a)(-3x)3(4x3y2)
-7x4•6x3y•(-4xy3)(-2x)3•6x3
(-3a)3•(3a)26a4•5a25y4•7y
(-8x3)(5x-9)2a(6a-5b)(5x+6y)(-5x)
(—ab3-6ab)•—ab4x(x-4)-x(x+4)-x(4x-2)
(3×
106)×
(-8×
103)(-ab4)(-3a)(4x)2(3x2y4)
5x•5x3-4y•(-7xy4)(-4x)2•5x3
(-4a)2•(2a)32a4•2a4-4y•2y
(-x3)(-3x-8)-5a(3a-2b)(5x+8y)(-2x)
31
(—ab2+2ab)•—ab2x(3x+2)-2x(4x-1)+x(2x+4)
43
(9×
108)×
(-5×
106)(-ab)(-7a)(-4x)3(-4x2y4)
5x•6x-8y4•(-3xy3)(-2x)3•8x4
(4a)3•(-3a)2-3a•5a4y•9y
(-x2)(5x+4)8a(6a-8b)(5x-8y)(-8x)
61
(—ab2-5ab)•—ab2x(x-1)-4x(3x-4)+x(2x-1)
56
102)(-6ab)(-7a4)(3x)3(-2x2y3)
6x•8x2-4y3•(-6xy4)(-2x)2•6x4
(4a)2•(2a)2-3a2•2a2-5y•7y3
(-8x2)(8x+1)-3a(7a-9b)(7x-2y)(-9x)
(—ab3-5ab)•—ab2x(2x-2)-4x(x-2)+4x(x+1)
(2×
(-4×
103)(-9ab3)(-8a)(-2x)2(4x4y4)
5x•7x48y2•(-3x4y4)(3x)3•9x4
(3a)3•(-3a)2-4a•9a3-9y2•3y
(-4x2)(8x+1)-3a(7a+4b)(6x+8y)(-5x)
21
(—ab3+3ab)•—ab32x(x-2)-3x(x+2)-x(4x-1)
32
(4×
(-2×
108)(-a2b2)(-8a2)(-3x)3(3x2y5)
4x•6x2-9y•(-3x3y)(-3x)2•3x4
(-2a)3•(3a)35a3•2a44y•9y4
(-x2)(-7x-5)-3a(6a-3b)(9x+5y)(-8x)
(—ab3-5ab)•—ab3x(2x-4)-2x(x-1)-3x(4x+4)
54
(8×
105)(-ab)(-5a4)(4x)3(-4x2y4)
2x•6x43y3•(-5x3y)(-2x)3•8x2
(-2a)3•(-2a)3-7a•5a2-3y•3y
(-x4)(-8x-4)-7a(2a-2b)(9x-8y)(-4x)
(—ab3-5ab)•—ab3x(x+2)-2x(x+3)-x(4x-4)
106)(-9a4b2)(-9a)(-2x)2(4x2y5)
-8x•4x2-9y•(-6xy)(-3x)3•7x2
(3a)3•(-2a)27a2•5a45y4•2y4
(-x4)(-7x-7)-5a(9a-6b)(5x-8y)(-5x)
(—ab2+3ab)•—abx(x-1)+3x(x-2)+4x(2x-2)
104)(-ab2)(-6a)(-2x)2(-4x4y4)
-2x•4x-7y•(-9x2y)(-3x)2•2x4
(-2a)3•(2a)39a4•9a5y4•9y2
(-x2)(-5x+7)-3a(2a-5b)(2x-9y)(-2x)
(—ab2-2ab)•—ab34x(4x+1)-2x(x-4)+3x(2x+3)
109)×
106)(-7a2b)(-8a2)(-3x)2(2x2y5)
-5x4•5x4y3•(-5xy3)(-2x)3•9x4
(-4a)2•(-3a)2-7a•4a3-7y•5y3
(-x2)(3x+2)9a(6a-8b)(2x+2y)(-7x)
(—ab2-3ab)•—ab34x(x+3)+3x(2x-1)+4x(3x-3)
104)×
109)(-4ab4)(-5a)(-3x)2(-2x2y3)
-6x•6x-3y3•(-7xy)(-3x)2•8x3
(3a)3•(-3a)34a2•4a-4y2•9y3
(-x3)(7x-9)2a(8a+2b)(3x-7y)(-5x)
(—ab3+5ab)•—abx(2x+2)+x(4x+3)+x(x-2)
109)(-3a3b)(-8a)(-2x)2(-2x4y5)
-5x2•2x8y•(-6x2y)(-2x)2•8x4
(-4a)2•(-2a)2-9a•7a25y•5y
(-5x4)(-2x+4)4a(8a+2b)(9x-7y)(-6x)
71
(—ab2-3ab)•—abx(x+4)-x(x+1)+x(x+1)
67
104)(-2ab3)(-2a)(2x)2(-2x2y3)
6x•2x-5y4•(-9x4y4)(-3x)3•9x2
(-4a)2•(2a)3-9a4•5a-4y•7y2
(-x4)(-7x-9)-6a(4a+9b)(8x+9y)(-4x)
(—ab3-3ab)•—ab3x(2x+4)-x(x+3)-x(4x-2)
102)(-9a2b)(-5a2)(-3x)3(2x2y3)
-7x•4x2y•(-5xy)(4x)3•4x2
(3a)3•(4a)26a•5a29y4•6y
(-x3)(-7x+6)3a(5a+2b)(6x-9y)(-7x)
(—ab3+5ab)•—ab3x(x+2)-x(x+2)-x(3x-4)
103)×
106)(-8a4b)(-9a)(-3x)3(-3x3y5)
-2x2•7x4-7y2•(-8xy2)(-4x)3•3x3
(2a)3•(-3a)35a4•2a2y2•6y4
(-6x2)(7x+6)-5a(3a-9b)(4x+2y)(-7x)
(—ab2+4ab)•—ab4x(2x+2)-3x(x-1)-x(x-2)
(7×
102)(-5a2b3)(-4a)(4x)3(3x2y5)
8x3•6x-6y2•(-9x3y)(-4x)3•2x4
(-4a)3•(4a)3-9a•2a4-3y•3y4
(-5x2)(-4x-2)8a(6a-6b)(8x-7y)(-3x)
(—ab3-6ab)•—ab2x(x-2)+x(x+4)+4x(x-2)
103)(-a3b2)(-7a)(-4x)2(3x4y5)
-5x3•3x4y4•(-7xy2)(-3x)2•9x2
(4a)2•(2a)25a2•7a-3y•7y
(-5x2)(4x+9)-2a(9a-7b)(8x+9y)(-7x)
(—ab3+3ab)•—ab4x(x+1)+3x(x+2)+3x(x-2)
108)(-ab2)(-4a)(-4x)3(-4x2y4)
7x2•8x4-7y•(-3xy4)(4x)2•2x3
(4a)2•(2a)24a3•8a3-8y•3y
(-x3)(6x-2)7a(6a-6b)(4x+5y)(-5x)
(—ab3-4ab)•—ab2x(x-2)+x(4x+2)+x(x-1)
108)(-a3b3)(-7a3)(4x)2(-3x2y5)
-5x•6x-6y•(-8x2y)(3x)2•6x2
(-4a)3•(3a)3-6a2•7a-9y4•9y3
(-2x2)(2x+4)-4a(2a+3b)(3x-3y)(-3x)
(—ab3+6ab)•—abx(x-3)+x(3x+4)-4x(x-3)
109)(-6ab)(-2a)(-4x)3(-4x4y5)
9x3•9x3-9y•(-3xy2)(-4x)3•4x3
(2a)3•(4a)28a2•9a47y4•3y
(-x2)(8x-1)3a(5a-8b)(9x+9y)(-2x)
(—ab2+5ab)•—abx(x+3)+x(4x+4)+x(4x+1)
(-9×
108)(-a2b2)(-7a)(4x)2(4x3y5)
6x3•5x4-7y3•(-5x3y3)(-4x)3•5x3
(4a)3•(-3a)2-4a4•7a-6y4•5y4
(-2x4)(-6x+2)-5a(3a-9b)(3x+7y)(-9x)
(—ab2-4ab)•—abx(4x-4)+x(x+4)+x(2x-4)
65
106)(-a4b2)(-9a4)(4x)2(-3x2y2)
8x2•7x2-6y•(-8xy)(-2x)3•9x4
(-3a)3•(4a)34a•4a3-3y3•5y
(-3x3)(3x-3)-7a(7a-8b)(4x+7y)(-5x)
(—ab3-3ab)•—ab23x(3x-4)-x(x+4)+x(x+2)
107)×
104)(-ab)(-2a)(-4x)2(4x2y3)
-4x•7x46y•(-8x3y2)(-3x)3•6x4
(4a)3•(-2a)37a•2a32y3•4y
(-4x4)(8x+4)2a(9a-8b)(4x-6y)(-5x)
(—ab3+4ab)•—ab24x(x-3)+x(x-1)+3x(3x-4)
108)(-4a4b2)(-3a2)(-3x)3(-3x4y2)
-4x4•7x22y3•(-9xy)(4x)2•6x2
(-2a)2•(-4a)29a2•8a4y•6y
(-8x4)(-4x+4)-6a(7a+7b)(4x-9y)(-2x)
(—ab3+2ab)•—ab32x(x-2)-2x(4x-2)-2x(x-1)
109)(-8ab4)(-8a2)(-3x)2(-3x2y5)
-2x•4x4-9y2•(-9xy3)(4x)2•5x2
(4a)3•(-2a)24a•5a-6y•5y
(-6x3)(-9x-1)-9a(5a-6b)(6x-7y)(-6x)
(—ab3+5ab)•—abx(2x-1)-3x(x+4)+x(x+3)
106)(-2a4b)(-8a4)(-4x)2(-2x3y3)
-5x•4x7y4•(-9xy)(2x)2•2x3
(-4a)3•(3a)35a3•9a9y•7y3
(-3x2)(4x-1)5a(4a+4b)(6x-5y)(-5x)
(—ab2-5ab)•—ab3x(x-1)-3x(3x+1)+x(x+4)
106)(-a3b4)(-2a)(3x)3(3x4y4)
6x•5x42y•(-9x2y)(-3x)2•7x2
(-3a)3•(2a)3-8a2•7a5y2•8y2
(-x3)(-4x-2)6a(4a-3b)(8x+4y)(-8x)
(—ab3-2ab)•—abx(x-2)-x(3
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