初一数学下册整式的除法专项练习题 21.docx
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初一数学下册整式的除法专项练习题21
(x6y)÷(x4)(4a7b3c3)÷(7a3bc)(9m3n5)÷(mn)3
(6m7n6)÷(3mn)(2x3y)2•(-6x3y2)÷(5xy)(2x2y2)3÷(12x2y)
(a7b8c)÷(5a3b)(a+6b)7÷(a+6b)2(-2r2s3)2÷(12r3s3)
8
(-—x7y6)÷(4xy)(10a6b4)÷(9a4b2)(2x+7y)4÷(2x+7y)2
7
(a8b6c)÷(3ab2)•(-5a2b2c3)
(x7y)÷(x3)(8a5b8c5)÷(3a2b2c)(9m5n5)÷(mn)3
(3m4n3)÷(4mn2)(x3y)2•(-6x3y)÷(3x2y3)(x3y3)3÷(16x2y3)
(4a7b4c)÷(8ab2)(a-8b)4÷(a-8b)2(-2r2s2)3÷(15rs2)
1
(-—x8y9)÷(5x2y3)(2a8b9)÷(3a3b)(3x-5y)3÷(3x-5y)
8
(5a6b8c)÷(8a4b2)•(-5a2bc2)
(x7y)÷(x4)(5a5b7c3)÷(7a3b3c)(8m4n9)÷(mn)3
(8m3n3)÷(8mn2)(x2y)2•(-8x3y2)÷(3xy2)(2x3y2)2÷(4xy3)
(2a9b5c)÷(7ab2)(3a-7b)9÷(3a-7b)3(-2r2s2)2÷(17rs3)
4
(-—x2y9)÷(2x2y)(7a9b8)÷(2a4b)(4x-5y)4÷(4x-5y)
3
(3a9b6c)÷(4a4b2)•(-3a3bc3)
(x10y)÷(x3)(a6b7c2)÷(5a2b2c)(7m7n8)÷(mn)2
(2m3n7)÷(6m2n2)(2x3y)3•(-4x3y)÷(17x3y)(2x2y3)3÷(2x3y)
(4a6b7c)÷(6a2b2)(2a-7b)5÷(2a-7b)2(-2r3s3)3÷(3rs2)
1
(-—x4y3)÷(8x2y2)(7a6b3)÷(5a5b2)(3x-6y)4÷(3x-6y)2
5
(6a7b8c)÷(5ab2)•(-6a3b2c3)
(x5y)÷(x4)(9a7b3c3)÷(7a3bc)(7m6n7)÷(mn)3
(4m7n4)÷(2mn2)(x2y)2•(-8x2y2)÷(12xy3)(2x2y3)3÷(2x3y2)
(2a9b8c)÷(5a3b2)(2a-6b)8÷(2a-6b)2(-r3s2)3÷(19r3s3)
4
(-—x2y3)÷(7x2y)(a8b9)÷(7a4b)(3x+6y)3÷(3x+6y)2
3
(6a5b2c)÷(2a2b2)•(-3a2bc2)
(x10y)÷(x4)(8a6b7c2)÷(8a4b3c)(3m6n3)÷(mn)3
(8m10n3)÷(3m2n2)(2x3y)2•(-2x2y2)÷(2x3y3)(x3y3)3÷(13xy)
(6a7b8c)÷(9a4b)(4a+6b)7÷(4a+6b)(-2r2s3)3÷(3r2s3)
4
(-—x9y7)÷(3xy2)(a7b9)÷(2a2b)(2x+8y)3÷(2x+8y)2
3
(2a7b2c)÷(3a3b)•(-5a3bc2)
(x10y)÷(x5)(a4b7c5)÷(5a4b3c)(5m4n8)÷(mn)
(4m5n9)÷(6m2n2)(2x3y)2•(-9x3y)÷(10x3y3)(2x2y2)3÷(10xy3)
(5a9b9c)÷(6a4b2)(3a-8b)7÷(3a-8b)(-2r3s3)3÷(12r2s3)
8
(-—x6y4)÷(9x2y2)(3a7b3)÷(3a2b3)(3x-8y)4÷(3x-8y)2
7
(4a4b4c)÷(6a3b2)•(-9a2bc3)
(x5y)÷(x5)(10a5b7c2)÷(7abc)(5m9n6)÷(mn)
(6m4n6)÷(5m2n2)(2x2y)3•(-6x2y2)÷(5x2y2)(2x2y3)2÷(18xy)
(6a6b7c)÷(6a4b)(4a-8b)9÷(4a-8b)2(-2r3s2)2÷(18r2s3)
8
(-—x5y6)÷(6x2y2)(7a7b8)÷(5a3b)(3x-8y)3÷(3x-8y)2
7
(6a7b5c)÷(7ab)•(-8a3b2c3)
(x6y)÷(x5)(9a8b4c5)÷(2a3bc)(5m10n7)÷(mn)
(3m8n6)÷(3mn)(2x2y)3•(-9x3y)÷(10x4y3)(2x3y2)2÷(16xy3)
(3a9b8c)÷(2a3b)(2a+7b)7÷(2a+7b)(-2r3s2)3÷(17r3s)
1
(-—x2y9)÷(5xy)(4a9b3)÷(4ab2)(x-7y)3÷(x-7y)
6
(5a7b3c)÷(2a3b2)•(-9a3bc3)
(x6y)÷(x3)(7a9b8c4)÷(8a2b2c)(5m3n7)÷(mn)3
(2m3n3)÷(7mn2)(2x2y)2•(-5x3y)÷(11x2y)(x3y3)2÷(3xy)
(3a8b2c)÷(9a4b)(4a-7b)7÷(4a-7b)3(-2r3s2)3÷(11r2s2)
1
(-—x8y7)÷(5xy2)(2a9b5)÷(9a2b3)(x+7y)3÷(x+7y)2
6
(2a4b5c)÷(3a2b2)•(-9a3b2c3)
(x6y)÷(x4)(2a5b7c2)÷(2a2b2c)(4m6n6)÷(mn)
(8m8n4)÷(9mn2)(x3y)3•(-8x2y2)÷(4x4y3)(2x3y3)2÷(19x3y3)
(2a8b2c)÷(6a2b)(a+7b)5÷(a+7b)(-2r3s3)2÷(19r2s2)
4
(-—x2y7)÷(2xy2)(3a7b5)÷(3a3b)(3x-8y)4÷(3x-8y)2
3
(4a9b6c)÷(2a2b)•(-7a2b2c3)
(x5y)÷(x3)(9a8b4c3)÷(7a3b3c)(9m3n6)÷(mn)2
(9m5n2)÷(3m2n2)(2x2y)3•(-3x2y2)÷(5x2y)(2x3y2)2÷(9xy)
(5a5b2c)÷(4ab)(4a+8b)9÷(4a+8b)(-2r2s2)3÷(13r3s3)
1
(-—x8y4)÷(6xy2)(6a7b4)÷(8a4b3)(3x+8y)3÷(3x+8y)2
8
(3a5b7c)÷(5a3b2)•(-5a2b2c3)
(x5y)÷(x)(3a7b7c3)÷(6abc)(3m4n7)÷(mn)2
(7m3n6)÷(7mn2)(2x3y)2•(-2x2y)÷(16x4y)(2x3y2)3÷(7xy3)
(4a6b3c)÷(7a4b2)(3a-5b)8÷(3a-5b)(-2r3s2)3÷(20rs3)
1
(-—x3y6)÷(9x2y2)(3a8b7)÷(8a2b2)(3x-5y)4÷(3x-5y)
6
(5a8b8c)÷(9a4b)•(-6a3bc2)
(x10y)÷(x2)(10a7b4c2)÷(7a4b2c)(7m7n4)÷(mn)
(4m3n2)÷(5mn)(x2y)2•(-4x3y)÷(5x2y)(2x2y2)3÷(18x2y)
(4a5b7c)÷(5a2b)(4a-6b)6÷(4a-6b)3(-2r3s3)3÷(17r2s2)
2
(-—x4y5)÷(7x2y2)(3a7b7)÷(5a2b3)(x+6y)3÷(x+6y)2
3
(3a7b3c)÷(3ab2)•(-7a3bc2)
(x8y)÷(x2)(10a9b7c4)÷(6a4b3c)(9m3n8)÷(mn)
(5m7n6)÷(9mn)(x3y)2•(-3x2y)÷(2xy3)(x2y3)3÷(5x2y)
(2a4b4c)÷(2a3b2)(3a-8b)4÷(3a-8b)3(-r3s3)3÷(19r2s)
1
(-—x3y5)÷(2x2y2)(5a9b5)÷(7a4b3)(3x-8y)4÷(3x-8y)2
3
(6a9b2c)÷(7a4b)•(-6a2b2c3)
(x6y)÷(x4)(2a5b7c2)÷(3a2bc)(9m4n8)÷(mn)
(9m6n5)÷(5mn2)(2x2y)3•(-6x2y)÷(20x3y2)(x2y2)3÷(10x2y3)
(2a5b9c)÷(9a4b2)(a-5b)4÷(a-5b)3(-2r3s3)3÷(8r3s2)
4
(-—x4y4)÷(6x2y3)(6a6b4)÷(7a5b3)(4x+6y)4÷(4x+6y)
5
(a8b6c)÷(9a4b2)•(-4a3b2c2)
(x6y)÷(x2)(9a4b6c2)÷(3a4bc)(3m9n7)÷(mn)3
(6m10n2)÷(2mn)(x3y)2•(-6x3y)÷(4x3y)(2x3y2)3÷(4xy2)
(4a9b6c)÷(4a4b)(3a-7b)4÷(3a-7b)(-r2s3)3÷(11r3s)
1
(-—x2y4)÷(7xy3)(5a8b9)÷(8a4b3)(4x-7y)3÷(4x-7y)2
8
(5a6b9c)÷(3a3b2)•(-3a2bc3)
(x5y)÷(x4)(8a9b9c5)÷(8a4bc)(6m8n6)÷(mn)3
(3m9n6)÷(6m2n)(x3y)2•(-2x3y2)÷(11x3y2)(2x2y2)3÷(20x3y2)
(3a6b6c)÷(9a2b)(3a-8b)7÷(3a-8b)2(-2r3s2)2÷(12rs3)
1
(-—x9y7)÷(4xy)(8a9b5)÷(8a4b)(2x-8y)4÷(2x-8y)
8
(a8b9c)÷(7a2b2)•(-8a2b2c2)
(x5y)÷(x)(a7b3c5)÷(9a4bc)(2m8n3)÷(mn)2
(3m6n5)÷(6mn2)(x3y)2•(-6x2y)÷(4x2y2)(x3y2)2÷(8x2y2)
(5a9b3c)÷(9a3b2)(a-8b)8÷(a-8b)(-2r3s2)2÷(12r2s2)
1
(-—x4y3)÷(8xy)(a9b9)÷(5a6b3)(x+7y)4÷(x+7y)
3
(5a5b7c)÷(3ab)•(-9a2b2c2)