八年级数学上册单项式乘多项式100.docx
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八年级数学上册单项式乘多项式100.docx
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八年级数学上册单项式乘多项式100
(-6x3)(-6x+2)2a(8a-5b)(7x-8y)(-5x)
41
(—ab2-4ab)•—abx(2x+1)+3x(x+2)-x(x+3)
54
(3×104)×(-3×107)(-a3b3)(-2a)(-3x)3(-2x4y2)
-3x4•9x-2y•(-2x3y)(-3x)3•6x3
(-3a)3•(4a)27a•3a39y•3y
(-4x4)(3x+2)-8a(6a+6b)(9x-4y)(-3x)
31
(—ab2-6ab)•—ab2x(2x+3)-4x(x-3)+2x(x-1)
43
(5×109)×(-5×109)(-8a3b3)(-6a2)(4x)2(-3x2y5)
7x4•4x43y•(-8xy4)(-2x)3•2x2
(-2a)2•(4a)3-9a•9a6y4•2y3
(-x2)(-3x-6)5a(6a+8b)(9x+2y)(-7x)
51
(—ab3+2ab)•—abx(x-4)+4x(x-1)+x(x+2)
45
(8×102)×(-8×108)(-a4b4)(-2a3)(-2x)2(-2x3y5)
-8x•4x4-5y•(-2xy2)(2x)3•8x4
(-2a)3•(2a)36a•4a-7y3•2y
(-x2)(-6x-4)-2a(2a-5b)(9x+6y)(-8x)
51
(—ab3-4ab)•—ab3x(3x-4)-4x(4x-1)-2x(x-1)
45
(2×107)×(-2×106)(-4ab)(-3a)(-3x)3(2x4y4)
4x•9x-6y•(-5x2y)(3x)3•6x3
(-4a)2•(-2a)3-4a4•5a3-9y•2y3
(-x4)(-6x-2)8a(6a-8b)(9x+5y)(-4x)
41
(—ab2-2ab)•—ab2x(2x-2)-4x(2x+4)-x(2x-4)
54
(6×106)×(-9×104)(-ab4)(-7a)(4x)3(4x4y4)
7x3•2x36y•(-8xy)(4x)2•7x4
(4a)3•(-3a)28a•9a3y2•8y3
(-x2)(7x-3)5a(8a+9b)(3x+3y)(-9x)
41
(—ab2-5ab)•—abx(x+3)+x(2x+3)+3x(2x+2)
54
(2×102)×(-2×103)(-ab)(-8a3)(-2x)2(4x3y2)
9x2•7x-2y2•(-6x3y)(4x)2•9x4
(-2a)3•(-3a)3-7a•9a48y4•5y
(-4x3)(-2x-9)-5a(7a+6b)(4x-4y)(-4x)
31
(—ab3-3ab)•—ab4x(x+2)-4x(x+3)+x(2x-4)
43
(3×106)×(-9×103)(-ab)(-3a3)(2x)3(3x2y5)
-2x•8x7y•(-8xy3)(-3x)2•4x2
(2a)2•(-4a)39a•5a25y•3y4
(-x2)(9x-3)4a(3a-4b)(4x+4y)(-3x)
61
(—ab2+2ab)•—ab22x(3x-2)+x(x-2)+4x(x+3)
56
(9×104)×(-2×104)(-a4b3)(-3a)(-4x)2(4x2y3)
-7x4•9x36y•(-3x3y)(-3x)3•9x2
(2a)2•(4a)3-5a•8a6y4•6y
(-4x3)(-2x-4)6a(9a-6b)(7x-5y)(-8x)
41
(—ab2+2ab)•—ab3x(2x+3)-4x(2x+2)+3x(3x+1)
54
(4×107)×(-5×106)(-ab4)(-2a4)(2x)3(2x4y5)
7x4•7x-7y2•(-8xy2)(-2x)2•5x4
(2a)3•(3a)36a2•8a2y2•2y
(-x3)(2x+3)7a(8a-6b)(5x+8y)(-5x)
71
(—ab3+4ab)•—ab23x(x+4)+2x(x-1)-3x(x-4)
67
(3×108)×(-7×103)(-ab)(-4a2)(-3x)3(-4x3y3)
-3x3•3x-2y3•(-4xy3)(-2x)3•9x2
(-4a)2•(3a)22a•8a2-7y3•5y3
(-8x3)(-2x+5)-8a(5a-9b)(8x-9y)(-9x)
51
(—ab3-4ab)•—abx(4x-3)+x(3x+2)-x(3x+1)
65
(9×106)×(-8×107)(-a2b)(-8a2)(-3x)3(-2x2y4)
8x2•7x3y4•(-7xy)(4x)3•5x3
(-2a)2•(2a)3-3a•9a-8y•6y4
(-9x4)(8x-3)4a(8a-4b)(9x+9y)(-3x)
61
(—ab2-3ab)•—ab34x(2x-1)-2x(x-2)-4x(x-2)
56
(6×108)×(-2×108)(-ab3)(-4a3)(4x)2(-3x4y5)
3x4•3x-9y•(-8xy)(2x)3•4x4
(4a)3•(-4a)3-4a3•7a4y4•3y4
(-x3)(-2x+5)7a(5a+8b)(2x-6y)(-3x)
21
(—ab2+5ab)•—ab2x(2x+1)+x(2x-1)+x(4x-1)
32
(5×105)×(-9×108)(-ab)(-5a3)(3x)3(2x2y2)
-2x•5x26y•(-5x3y3)(4x)3•5x2
(2a)3•(2a)3-8a•4a9y•8y
(-x2)(3x+8)-5a(6a+8b)(6x+4y)(-2x)
31
(—ab2+2ab)•—ab3x(x-4)-x(4x+4)-3x(4x+4)
43
(8×104)×(-8×109)(-a3b2)(-6a)(3x)2(2x4y3)
8x•5x32y•(-2x3y)(4x)2•4x3
(3a)2•(2a)2-3a•7a-2y•6y2
(-4x4)(-3x-1)-2a(7a-6b)(2x-4y)(-4x)
41
(—ab3-4ab)•—ab24x(2x+3)-4x(x-3)-4x(4x+3)
34
(4×109)×(-3×108)(-a2b3)(-3a4)(4x)3(-2x2y4)
-8x4•8x6y4•(-5xy4)(-2x)3•4x2
(3a)2•(4a)27a•8a8y4•4y4
(-6x2)(3x-7)-2a(5a+6b)(6x+5y)(-2x)
51
(—ab3+2ab)•—abx(4x-3)-2x(3x+2)+4x(2x-4)
45
(7×104)×(-9×106)(-ab)(-4a2)(3x)2(2x3y5)
-2x2•9x25y•(-6x3y3)(-3x)2•5x3
(-3a)3•(-2a)3-7a•2a3-6y3•2y
(-2x2)(4x-5)3a(7a+5b)(4x-7y)(-7x)
21
(—ab3-5ab)•—abx(2x-2)+4x(x-3)-x(3x+3)
32
(5×107)×(-6×109)(-ab4)(-6a4)(4x)2(4x4y3)
8x•6x3-9y•(-3x2y4)(-4x)2•7x3
(3a)3•(-3a)3-6a•2a6y2•4y
(-4x2)(5x+8)-3a(9a+8b)(4x-6y)(-4x)
71
(—ab3+5ab)•—ab2x(4x-3)+4x(x-1)+3x(x+3)
67
(8×105)×(-6×106)(-ab)(-2a2)(-3x)3(-2x4y5)
2x4•9x3-2y4•(-4xy4)(3x)3•6x2
(-3a)3•(3a)3-3a4•5a5y4•6y
(-5x3)(9x-6)4a(7a+9b)(2x-8y)(-4x)
71
(—ab3+2ab)•—ab3x(4x+2)-2x(2x+3)-4x(x+1)
67
(8×105)×(-6×104)(-ab3)(-4a)(-2x)3(-2x4y5)
-7x2•9x-8y2•(-9x3y4)(3x)3•3x4
(-2a)3•(-4a)37a4•9a23y4•3y
(-x4)(-9x+6)-3a(2a-7b)(7x+8y)(-9x)
31
(—ab3+6ab)•—ab24x(4x-1)-3x(x-1)+x(x-2)
43
(2×103)×(-9×108)(-ab4)(-6a)(-2x)3(4x4y2)
7x3•8x46y2•(-7x3y)(-2x)2•9x4
(2a)2•(-4a)2-8a4•4a8y4•7y
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- 八年 级数 上册 单项式 多项式 100