人教版初二数学上册整式的乘法综合练习题精选14.docx

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人教版初二数学上册整式的乘法综合练习题精选14.docx

人教版初二数学上册整式的乘法综合练习题精选14

31

(—ab2+4ab)•—ab2x(4x-3)+x(x-4)+x(4x-3)

43

(x-9)(4x-8)(2x-y)(x+9y)

(x-y)(x2+2xy-y2)(4x+7y)(3x-y)

(2a-1)2(a-2b)(2a+9b)

(2x2-4)(x+7)(4x2+3x+2)(2x-1)

(x+3)(x-1)(x-3)(x+4)

(y+1)(y-3)(y+3)(y+3)

b7÷b324a8b4÷(-6a3b2)

(-xy)9÷(-xy)6(-56x9y3)÷(-7x6y2)

54x9y9÷9x2y6(16×106)÷(4×102)

-7a3b6c4÷8a2b5(45a3b3+20a)÷5a

(30a4-18a2+36a)÷6a(20xy-20xy)÷4xy

(9a)3-(5b)2(-4b)3(xy4)3

(-6x4)3(ab)5(-4×102)3(4ab2)2

(109)2(a9)5(xn)8-(b3)2

(108)3(a6)6-(ym)3(a6)9•a2

x2•x7t5•t2t8•t5

(-7)×(-7)4×(-7)4xn•x2n+1x7m•x9m-1

111

(-—)×(-—)8×(-—)9t2•t3a6•a

999

(-2)2×(-2)6×(-2)2y4•y3x2•x5

111

(-—)×(-—)2×(-—)3xn•x9n-1ym•y4m-1

999

(-x2)(-5x+9)-4a(4a+8b)(6x+2y)(-8x)

41

(—ab2-6ab)•—ab3x(2x-2)-x(3x-4)-x(x-4)

34

(3x-7)(x+2)(x+8y)(x+y)

(x-3y)(x2-xy-y2)(x+y)(x+y)

(3a-2)2(4a-b)(a-b)

(2x2-1)(x-6)(x2-2x+2)(x+1)

(x+2)(x-3)(x+2)(x-4)

(y-1)(y+3)(y+1)(y+2)

b4÷b24a4b5÷(-2a3b3)

(-bc)3÷(-bc)2(-32x6y7)÷(-4x3y6)

15x6y8÷5x5y3(36×105)÷(6×104)

-4a3b4c4÷9a2b2(20a2b2+20a)÷4a

(18a5+36a3+18a)÷6a(40x2y3-15x3y)÷5xy

(2a)3-(5b)3(-5b)2(xy2)2

(-2x4)3(ab)7(-2×104)3(4ab2)3

(109)6(y8)2(xn)6-(x8)8

(103)2(x9)9-(xm)8(a5)4•a5

x6•x6s2•s6a•a4

(-3)8×(-3)5×(-3)5x2n•x6n-1x6m•x4m+1

111

(-—)×(-—)8×(-—)3y7•y9b5•b3

444

(-3)2×(-3)7×(-3)5s9•s9z2•z5

111

(-—)×(-—)8×(-—)4y2m•y8m-1yn•y5n+1

888

(-7x3)(-8x+2)-7a(2a-7b)(9x-6y)(-3x)

21

(—ab3-3ab)•—ab2x(4x+1)+4x(3x-4)+3x(3x-2)

32

(x+4)(4x+1)(x+y)(3x-2y)

(x+2y)(x2-3xy-y2)(4x-9y)(4x-5y)

(3a+4)2(a+2b)(4a-8b)

(x2-5)(3x+4)(x2+2x+1)(x+1)

(x+1)(x+3)(x-2)(x-4)

(y+4)(y+1)(y-4)(y-2)

a7÷a248a4b9÷(-8a2b4)

(xy)6÷(xy)2(-28x7y3)÷(-4x4y2)

18x6y8÷9x4y2(18×105)÷(2×103)

-7a4b4c2÷2a2b3(20a3b-16a)÷4a

(81a4+81a2-72a)÷9a(30x3y2+10xy)÷5xy

(5a)2-(3b)3(-6b)2(xy2)3

(-5x3)2(ab)9(-3×102)2(3ab4)3

(107)4(b7)3(xm)9-(x3)3

(104)8(a7)3-(bn)7(a6)2•a4

x6•x4c4•c4a•a7

(-10)9×(-10)2×(-10)3xm•x7m-1xn•x6n-1

111

(-—)×(-—)4×(-—)6z5•z3y7•y3

444

(-1)5×(-1)8×(-1)6s•s5a3•a3

111

(-—)7×(-—)5×(-—)7y3m•y3m+1xn•x4n+1

666

(-2x3)(-7x-4)-5a(7a-4b)(7x-9y)(-4x)

61

(—ab3-3ab)•—ab2x(x+3)-3x(4x-4)-x(x+2)

56

(x-8)(2x-8)(x+2y)(4x+3y)

(x-y)(x2+2xy+y2)(3x+9y)(x+9y)

(4a-3)2(a+4b)(a-5b)

(2x2+1)(x-7)(x2-x-2)(x+3)

(x-4)(x+2)(x+6)(x-4)

(y+4)(y-3)(y-4)(y+3)

b6÷b472a6b8÷(-9a3b2)

(-bc)7÷(-bc)2(-12x5y4)÷(-3x4y2)

48x3y6÷8x2y3(10×109)÷(2×107)

-6a3b4c2÷8a2b2(24a3b-54a)÷6a

(45a4+18a3+45a)÷9a(45xy+15xy2)÷5xy

(4a)2-(5b)2(-3b)2(xy2)3

(-4x4)3(xy)7(-2×103)3(5ab4)2

(106)3(x7)8(bm)7-(y5)7

(109)2(x4)3-(xn)2(a5)6•a7

x•x4x4•x2b•b6

(-1)5×(-1)4×(-1)8xn•x5n+1x3n•x4n-1

111

(-—)7×(-—)4×(-—)5z9•zc9•c2

555

(-1)×(-1)2×(-1)6x3•x7t4•t9

111

(-—)3×(-—)4×(-—)7x7m•x4m-1ym•y8m+1

555

(-x4)(-9x+4)5a(2a+8b)(4x-8y)(-2x)

21

(—ab2+6ab)•—ab2x(4x-4)+3x(x+3)-3x(x-2)

32

(4x+6)(2x-6)(x-6y)(3x-y)

(3x-y)(x2+3xy+y2)(2x+7y)(x+4y)

(3a+2)2(a-2b)(3a+b)

(x2-3)(4x+2)(x2+x+3)(3x-1)

(x+2)(x-1)(x-5)(x+4)

(y-1)(y+3)(y-1)(y-2)

b7÷b225a9b4÷(-5a3b3)

(-bc)7÷(-bc)2(-18x8y6)÷(-3x4y2)

16x7y6÷4x4y3(28×105)÷(4×103)

-5a4b5c4÷5a3b3(6a3b+6a)÷2a

(36a5+36a2+28a)÷4a(28xy-49x3y)÷7xy

(6a)2-(2b)2(-2b)2(xy3)2

(-3x4)3(xy)3(-3×103)3(2ab2)3

(108)2(y6)7(xm)4-(y7)5

(102)9(a8)9-(yn)8(a6)6•a9

x5•x3x•x9c•c9

(-8)×(-8)5×(-8)6xm•x5m-1x4n•x4n+1

111

(-—)3×(-—)5×(-—)6t3•tt8•t3

333

(-7)×(-7)6×(-7)8a•a5c3•c3

111

(-—)×(-—)9×(-—)2xn•x4n+1x8n•x4n+1

333

(-4x2)(-6x-3)7a(2a+9b)(3x-5y)(-4x)

61

(—ab2+3ab)•—ab2x(2x-2)-3x(x+1)-x(x-1)

56

(4x+8)(2x-2)(3x-3y)(x-3y)

(x-y)(x2+xy-y2)(2x-y)(x-4y)

(a-2)2(4a-6b)(3a-b)

(x2+3)(x+4)(x2-x-3)(x+1)

(x-2)(x+2)(x+3)(x+1)

(y-2)(y+2)(y+3)(y+1)

x7÷x340a4b4÷(-8a3b2)

(-b)4÷(-b)2(-27x3y9)÷(-9x2y2)

18x7y7÷6x5y5(63×105)÷(7×104)

-9a5b3c3÷5a2b2(24a2b3+64a)÷8a

(18a5-14a3-4a)÷2a(10x2y+30x3y2)÷5xy

(10a)2-(4b)2(-5b)2(xy3)4

(-6x3)3(ab)9(-3×104)3(5ab4)3

(109)9(a9)5(bm)5-(b3)8

(102)7(y3)3-(bm)2(a8)9•a3

x•x2z2•z5t6•t7

(-4)×(-4)3×(-4)5x4n•x8n+1xm•x7m-1

111

(-—)×(-—)8×(-—)2y6•y2c6•c9

444

(-5)×(-5)5×(-5)8x•x5b•b4

111

(-—)×(-—)5×(-—)6ym•y2m-1x3m•x2m+1

888

(-4x3)(4x-2)-9a(4a-7b)(6x+5y)(-6x)

41

(—ab2+3ab)•—ab2x(4x+2)-x(3x-4)-3x(x+3)

34

(4x+5)(2x+4)(x-7y)(x-y)

(2x+3y)(x2+xy-y2)(x+y)(x-7y)

(4a+3)2(3a-6b)(a-6b)

(4x2+5)(4x+8)(x2-4x-3)(3x+1)

(x+3)(x-1)(x+6)(x-3)

(y-1)(y-3)(y+2)(y-2)

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