初一数学下册整式的乘法练习题 39.docx
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初一数学下册整式的乘法练习题39
(7xy3)•(7xy3)(-6a4b4)•(-5a)(4×106)•(6×105)
(7x2)•(3x2y3)(-7a4b)•(-7b4)(8x2y)•(-8x4y4)
(8xy)2•(-5x2y4)(-xyz3)3•(-xy)3(6×103)•(7×108)
7
(—x3y4)•(9x4y3)(-6a5b3)•(-8b3)(9x2y)3•(-7x4y4)
6
88
(—x2y4)•(—xyz)(-xy3z)3•(-x3y)3(4×103)•(5×104)
77
(6x4y4)•(4x2y)(-5ab)•(-2a3)(3×104)•(3×106)
(5x2)•(8xy4)(-9a3b4)•(-8b4)(8x2y)2•(-3x4y3)
(2xy)•(-9x3y)(-xy2z2)3•(-xy)2(8×109)•(3×103)
9
(—x2y)•(4x2y)(-9a4b)•(-9b3)(2xy)3•(-8x2y4)
8
11
(—x2y4)•(—xyz)(-xy3z2)2•(-x3y)3(9×104)•(7×104)
53
(8x2y4)•(5xy4)(-5a5b3)•(-4a2)(6×102)•(5×103)
(3x)•(4x2y2)(-4a5b4)•(-3b3)(7xy)3•(-9x2y3)
(7x4y)•(-6x4y4)(-xy2z3)2•(-x2y)2(8×106)•(3×107)
7
(—x2y4)•(5x2y2)(-4a4b4)•(-3b4)(2x3y)3•(-8xy4)
6
11
(—x4y4)•(—xyz)(-xy3z3)•(-x3y)2(6×104)•(4×104)
86
(2x4y2)•(3x3y4)(-7a5b)•(-2a2)(7×105)•(7×104)
(9x4)•(8x2y4)(-5a3b3)•(-4b3)(3x2y)•(-9x2y3)
(2x2y)2•(-7x4y4)(-xy3z2)•(-x2y)3(7×107)•(5×106)
1
(—x3y3)•(4xy3)(-3a2b4)•(-6b2)(5x3y)2•(-2x4y3)
5
71
(—x3y3)•(—xyz)(-xyz)2•(-x3y)2(5×108)•(7×107)
64
(4x3y3)•(5x3y2)(-4a5b2)•(-7a)(8×103)•(9×109)
(7x3)•(4x4y)(-7ab4)•(-7b2)(8x2y)3•(-4x4y3)
(5x4y)•(-6xy)(-xyz3)•(-x3y)(7×102)•(7×106)
1
(—xy3)•(7x4y3)(-6a5b2)•(-3b2)(6x3y)4•(-4x4y3)
8
12
(—x4y2)•(—xyz)(-xyz)•(-xy)(2×102)•(2×107)
33
(4x2y)•(2x4y4)(-4a4b)•(-9a)(3×108)•(9×103)
(2x4)•(8xy3)(-3a3b3)•(-8b4)(8x2y)2•(-5x2y)
(8xy)3•(-3x2y2)(-xyz3)3•(-xy)2(4×108)•(9×108)
7
(—x3y4)•(4x3y)(-9a2b2)•(-7b)(6xy)4•(-3x3y4)
8
91
(—x4y3)•(—xyz)(-xy3z)2•(-x2y)3(8×103)•(7×105)
86
(8x3y4)•(7x2y2)(-5a5b)•(-6a)(8×109)•(6×105)
(3x3)•(5x3y3)(-3a3b3)•(-7b4)(3xy)4•(-5xy4)
(2x3y)4•(-2x3y4)(-xy3z)3•(-x3y)2(6×102)•(4×109)
5
(—xy4)•(6xy3)(-4a4b3)•(-7b3)(6x3y)2•(-3x2y2)
6
18
(—x3y4)•(—xyz)(-xy3z3)•(-xy)2(6×103)•(5×109)
37
(2x2y3)•(5x3y3)(-6a5b3)•(-9a3)(3×102)•(4×102)
(8x3)•(2x3y2)(-8a2b)•(-5b3)(3x4y)2•(-6xy4)
(9x3y)2•(-6x4y)(-xy2z)2•(-xy)3(2×103)•(9×109)
7
(—x4y4)•(5xy3)(-6a2b3)•(-8b2)(5x2y)2•(-6xy2)
8
11
(—x4y2)•(—xyz)(-xy2z2)•(-x2y)2(9×109)•(5×109)
63
(2x3y2)•(2x4y2)(-2ab3)•(-8a4)(2×108)•(3×105)
(5x4)•(3x3y3)(-7a5b)•(-3b3)(2x3y)2•(-8xy)
(9x3y)4•(-6x3y2)(-xyz2)3•(-x2y)(7×102)•(4×109)
9
(—x3y4)•(4x3y2)(-7a2b3)•(-8b3)(3x2y)4•(-4x2y3)
8
17
(—x2y2)•(—xyz)(-xy2z3)•(-x2y)2(6×107)•(6×102)
68
(3x4y2)•(2x3y2)(-8ab)•(-6a3)(9×103)•(2×104)
(5x)•(6xy3)(-7a2b)•(-4b3)(4xy)2•(-8x4y3)
(7x2y)2•(-7x4y2)(-xyz)2•(-x3y)(5×106)•(8×109)
4
(—xy)•(5x4y4)(-9a3b)•(-3b)(4x2y)4•(-5x3y4)
5
54
(—x2y2)•(—xyz)(-xyz3)2•(-x2y)3(4×107)•(5×105)
45
(8xy)•(4x2y4)(-5a2b)•(-2a3)(5×107)•(6×106)
(3x3)•(9x3y4)(-2ab2)•(-7b3)(4x4y)3•(-4xy2)
(4x2y)2•(-2x2y2)(-xy2z)2•(-x2y)(4×105)•(3×104)
1
(—x4y4)•(9x4y2)(-6a4b4)•(-5b2)(5x2y)3•(-8xy)
7
56
(—x2y4)•(—xyz)(-xy2z2)3•(-x3y)2(8×107)•(4×108)
67
(8x4y)•(6x3y2)(-9a4b4)•(-7a3)(3×108)•(3×104)
(6x4)•(5x2y)(-8a4b)•(-3b)(5x3y)4•(-5x4y4)
(4xy)•(-5xy4)(-xyz)3•(-xy)2(7×104)•(8×107)
1
(—x3y4)•(5xy3)(-9a3b4)•(-5b)(5x3y)4•(-4x4y4)
6
11
(—x4y2)•(—xyz)(-xy3z3)3•(-x2y)2(9×106)•(9×106)
48
(9x2y)•(4x4y)(-3ab2)•(-3a2)(8×109)•(5×109)
(9x3)•(4x4y4)(-5a5b3)•(-4b)(5x3y)2•(-6xy2)
(4x4y)•(-2xy)(-xy2z)2•(-x3y)(8×105)•(7×103)
6
(—xy2)•(2x4y)(-3a2b4)•(-6b)(8x3y)•(-7xy2)
5
11
(—x2y3)•(—xyz)(-xy3z)•(-xy)(9×104)•(7×102)
83
(4x4y2)•(5x3y3)(-9a2b)•(-8a2)(6×109)•(3×108)
(7x)•(5x4y4)(-3ab3)•(-3b4)(2xy)•(-7x4y)
(3x2y)4•(-3x3y2)(-xy3z)3•(-xy)2(2×106)•(2×107)
1
(—xy3)•(4x3y2)(-5a5b)•(-7b3)(2xy)•(-7xy)
4
47
(—x2y4)•(—xyz)(-xyz3)2•(-xy)2(9×108)•(2×104)
38
(7x2y4)•(9x2y2)(-5ab)•(-4a)(5×108)•(3×109)
(7x4)•(2x3y)(-7a5b)•(-7b2)(4x3y)4