初一数学下册整式的乘法练习题 38.docx
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初一数学下册整式的乘法练习题 38.docx
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初一数学下册整式的乘法练习题38
(4x3y4)•(3x2y4)(-4ab2)•(-3a4)(2×104)•(4×109)
(6x)•(2x3y3)(-9a5b4)•(-6b4)(7x3y)2•(-6x2y)
(5xy)4•(-4x2y2)(-xyz3)•(-xy)(6×103)•(2×109)
1
(—xy)•(2x4y2)(-8a3b)•(-8b2)(6x2y)4•(-6x2y)
7
68
(—x4y3)•(—xyz)(-xy2z3)•(-x2y)3(6×104)•(2×107)
57
(2x2y)•(6x3y)(-6a3b2)•(-9a4)(7×105)•(7×102)
(7x)•(8x3y3)(-4a2b3)•(-3b4)(5x4y)4•(-3x3y4)
(9x4y)3•(-3x4y4)(-xy3z)2•(-xy)2(4×109)•(9×106)
4
(—xy2)•(6x2y3)(-9a4b)•(-6b3)(3x4y)4•(-3xy)
5
27
(—x4y3)•(—xyz)(-xy2z3)2•(-x2y)2(3×103)•(5×107)
38
(6xy2)•(3x4y)(-2a2b3)•(-8a4)(4×108)•(5×107)
(2x3)•(7x3y4)(-6a3b)•(-3b2)(4x3y)•(-6x2y)
(8x2y)4•(-7x4y4)(-xyz)2•(-x2y)2(8×105)•(6×106)
6
(—x4y)•(3x4y2)(-8a2b3)•(-2b2)(2xy)4•(-6x2y4)
5
41
(—x2y4)•(—xyz)(-xy3z)•(-x2y)2(5×104)•(5×102)
34
(8x3y)•(7xy2)(-3a5b)•(-3a3)(4×106)•(2×103)
(3x2)•(7x3y2)(-7a2b3)•(-8b4)(4x2y)•(-9x3y3)
(6x2y)3•(-9x2y2)(-xy2z)•(-xy)(3×103)•(4×108)
3
(—xy2)•(7x4y3)(-8ab)•(-8b4)(8x2y)•(-5x3y3)
4
44
(—x3y2)•(—xyz)(-xy2z3)2•(-xy)(6×104)•(9×102)
33
(5xy)•(5x4y4)(-7a3b4)•(-6a2)(8×104)•(9×108)
(7x3)•(9x2y2)(-9ab2)•(-4b3)(3xy)2•(-8x2y4)
(5x2y)3•(-3xy4)(-xyz)2•(-xy)3(9×109)•(9×109)
5
(—x3y)•(4x2y)(-8a4b)•(-5b)(3x2y)•(-7xy4)
6
37
(—x2y4)•(—xyz)(-xy3z)3•(-xy)2(5×107)•(2×102)
46
(6x4y3)•(8x3y3)(-3a4b3)•(-8a4)(3×109)•(2×106)
(2x3)•(7x4y4)(-6a4b4)•(-8b2)(6x3y)2•(-8xy4)
(9x4y)3•(-9xy4)(-xy2z2)3•(-x2y)2(7×109)•(8×107)
9
(—x4y)•(8x3y4)(-7a2b4)•(-8b2)(2x4y)2•(-9xy4)
8
16
(—x2y4)•(—xyz)(-xy2z3)•(-x2y)2(6×104)•(5×106)
87
(6x2y)•(7x2y)(-9a4b2)•(-5a2)(3×106)•(8×103)
(7x3)•(7x4y)(-3a5b4)•(-8b2)(5x3y)4•(-5x4y3)
(6xy)3•(-4x2y2)(-xyz3)•(-xy)3(7×106)•(8×108)
5
(—x3y2)•(9x2y4)(-9a4b4)•(-6b3)(5x4y)•(-2x2y)
6
71
(—x3y4)•(—xyz)(-xy3z)•(-xy)2(9×103)•(2×105)
64
(4x4y4)•(4xy4)(-3a3b4)•(-8a3)(8×104)•(5×108)
(2x2)•(6x4y)(-7a2b4)•(-3b4)(8xy)2•(-8x2y)
(8x3y)3•(-8x2y)(-xy3z3)3•(-x2y)(6×102)•(9×102)
9
(—x3y)•(4xy4)(-8a2b3)•(-7b3)(3x3y)•(-3xy3)
8
14
(—x2y4)•(—xyz)(-xy2z3)2•(-xy)3(6×108)•(8×104)
65
(4x2y2)•(9x4y)(-4a5b3)•(-9a4)(7×102)•(4×109)
(7x4)•(4xy2)(-3a4b)•(-3b4)(2x4y)•(-6x3y)
(9x3y)3•(-7x2y)(-xy3z2)3•(-x3y)2(8×105)•(2×104)
5
(—x4y)•(4x2y3)(-9ab2)•(-3b)(4x4y)3•(-9x3y3)
6
74
(—x4y2)•(—xyz)(-xy3z)3•(-xy)3(7×107)•(9×104)
83
(7x4y3)•(8xy)(-6a5b2)•(-5a4)(9×102)•(8×104)
(5x2)•(5x4y)(-8a4b)•(-4b3)(6x3y)•(-9x3y4)
(3x4y)2•(-2x2y)(-xy2z2)2•(-xy)3(5×102)•(6×102)
1
(—x2y)•(6xy2)(-9ab4)•(-7b4)(5x4y)•(-7x2y)
3
51
(—x4y4)•(—xyz)(-xy2z2)•(-x3y)3(7×108)•(6×107)
46
(9x3y4)•(5x2y3)(-7a2b4)•(-7a2)(7×103)•(8×108)
(2x3)•(8x2y)(-5ab2)•(-3b4)(7x3y)3•(-3x2y)
(8x3y)3•(-4xy)(-xy2z3)•(-x2y)(4×104)•(7×105)
1
(—x3y4)•(5xy)(-3a4b4)•(-9b4)(3x4y)4•(-5x3y)
4
15
(—x2y2)•(—xyz)(-xy2z2)3•(-x3y)(4×109)•(5×107)
36
(9x3y)•(6x4y)(-5a5b4)•(-2a3)(6×109)•(3×102)
(2x4)•(7x2y4)(-4ab2)•(-6b4)(2xy)•(-6x2y)
(5x4y)•(-7x2y4)(-xy3z)2•(-xy)(3×105)•(6×103)
7
(—x2y)•(8x4y2)(-2a2b3)•(-4b3)(8x2y)2•(-9xy3)
8
14
(—x2y4)•(—xyz)(-xy2z3)•(-xy)3(4×106)•(2×102)
75
(2xy3)•(5x3y4)(-7ab3)•(-8a4)(5×103)•(6×105)
(6x)•(8x3y4)(-5ab3)•(-8b4)(9x3y)4•(-4x3y2)
(6x3y)2•(-8x4y3)(-xy2z3)2•(-xy)(5×109)•(2×106)
1
(—x2y4)•(9x3y4)(-8a2b2)•(-2b4)(3x2y)•(-9x4y)
6
49
(—x2y3)•(—xyz)(-xy2z2)•(-x2y)2(8×105)•(5×106)
38
(3x2y4)•(6x4y4)(-5a4b)•(-7a)(9×107)•(5×102)
(3x)•(7xy)(-2a5b2)•(-4b)(9xy)3•(-5x4y3)
(7x2y)2•(-8x4y3)(-xyz)•(-x3y)2(9×106)•(3×102)
2
(—x2y3)•(3xy4)(-3a3b4)•(-8b3)(7x2y)4•(-5x2y)
3
11
(—x3y3)•(—xyz)(-xy2z3)3•(-x2y)3(7×106)•(5×106)
73
(9x4y3)•(4x2y3)(-6a2b)•(-7a2)(3×103)•(7×106)
(9x4)•(2x2y4)(-8a5b)•(-7b3)(6x4y)•(-9x4y2)
(6x4y)2•(-2x2y)(-xy2z2)3•(-x2y)(9×106)•(6×105)
5
(—x2y2)•(6x2y4)(-9a4b)•(-2b)(9x2y)4•(-5x4y)
6
77
(—x3y2)•(—xyz)(-xy3z3)2•(-x2y)2(7×102)•(7×102)
88
(8x3y)•(9xy4)(-4a2b)•(-9a2)(2×108)•(7×107)
(7x3)•(9x2y4)(-8a2b3)•(-9b3)(2x4y)3•(-4x2y4)
(3x4y)•(-7xy3)(-xyz3)•(-x2y)3(4×104)•(3×106)
1
(—x2y2)•(4xy4)(-7a4b2)•(-6b4)(9xy)4•(-9x2y3)
5
71
(—x4y2)•(—xyz)(-xyz)3•(-x2y)3(7×107)•(4×108)
86
(4x4y2)•(2x2y3)(-3a3b4)•(-4a3)(5×102)•(4×108)
(9x3)•(7x4y)(-3ab4)•(-8b4)(9x3y)•(-8x3y)
(8x2y)4•(-9x2y2)(-xy3z3)2•(-x3y)(7×106)•(5×105)
4
(—x4y2)•(3xy3)(-9a5b4)•(-3b2)(2x4y)4•(-9xy3)
3
65
(—x3y4)•(—xyz)(-xy2z2)•(-x2y)2(6×106)•(7×103)
54
(9xy2)•(8x3y4)(-4a2b2)•(-3a3)(6×104)•(8×109)
(2x2)•(4x2y4)(-3ab2)•(-6b3)(5x2y)2•(-9x4y)
(8xy)2•(-4x4y3)(-xy3z2)•(-x2y)2(8×102)•(2×102)
4
(—x4y3)•(4x3y4)(-7a2b3)•(-2b2)(3x2y)4•(-8x4y3)
5
15
(—x4y3)•(—xyz)(-xy2z)3•(-x3y)3(2×107)•(2×102)
56
(2x3y2)•(9xy)(-8a2b4)•(-9a4)(2×102)•(3×105)
(2x3)•(3x2y2)(-5a5b2)•(-5b)(3x3y)4•(-5x2y3)
(8x4y)2•(-5xy4)(-xy3z)•(-x3y)3(5×108)•(8×107)
1
(—x3y)•(6x3y2)(-6a2b4)•(-5b)(3x4y)•(-4xy2)
4
74
(—x3y2)•(—xyz)(-xyz2)•(-xy)3(9×104)•(8×105)
83
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