初二数学上册整式的乘法100.docx
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初二数学上册整式的乘法100
(4a)3-(3b)3(-5b)3(xy3)4
(-6x2)2(xy)6(-3×103)2(3ab3)3
(105)8(b7)9(yn)4-(y3)4
(107)7(b8)2-(am)9(a5)6•a5
x6•x7a3•a3s9•s3
(-5)×(-5)5×(-5)4xm•x4m+1xm•x5m+1
111
(-—)×(-—)3×(-—)8b5•bc5•c
333
(-4)7×(-4)7×(-4)3a•a5y5•y5
111
(-—)×(-—)8×(-—)8xn•x6n+1ym•y7m+1
666
(-3x4)(-7x+2)-5a(3a+6b)(7x+5y)(-9x)
21
(—ab3-6ab)•—ab3x(2x+3)-3x(4x+4)+x(2x-2)
32
(x+8)(4x+2)(x-y)(x+y)
(x+3y)(x2-2xy+y2)(x-6y)(x-y)
(a-2)2(4a-7b)(4a+b)
(2x2-2)(x+8)(x2-2x-1)(x-2)
(x-1)(x-3)(x-2)(x+2)
(y-1)(y+3)(y-4)(y+3)
a4÷a354a5b3÷(-6a3b2)
(-y)9÷(-y)5(-24x6y7)÷(-8x5y3)
63x6y6÷7x2y5(45×105)÷(9×103)
-3a5b7c2÷5a2b6(8a2b3+10a)÷2a
(32a4-20a3-24a)÷4a(8x2y-18x2y3)÷2xy
(6a)3-(5b)3(-4b)3(xy4)2
(-3x2)2(xy)3(-3×104)2(2ab3)2
(103)6(b6)6(an)7-(x4)4
(105)8(a4)9-(xm)2(a6)5•a5
x•x3b•b7c8•c5
(-2)3×(-2)4×(-2)7x9n•x2n-1x2m•x3m-1
111
(-—)3×(-—)8×(-—)3s5•sx7•x
888
(-5)5×(-5)3×(-5)6c•c9z•z7
111
(-—)8×(-—)8×(-—)4x4n•x3n-1x3n•x4n-1
999
(-x3)(-4x+3)-3a(7a-6b)(5x+9y)(-6x)
51
(—ab3+6ab)•—ab3x(3x-1)-2x(2x-1)+4x(2x-1)
45
(x-4)(2x-1)(x+8y)(x+y)
(x+y)(x2-3xy+y2)(3x+y)(4x-y)
(a+4)2(a-3b)(4a-7b)
(x2+1)(4x+3)(x2+x-3)(x-1)
(x+2)(x+1)(x+1)(x+6)
(y+2)(y+3)(y+2)(y+1)
a8÷a424a4b8÷(-8a3b4)
(-bc)7÷(-bc)4(-40x7y8)÷(-5x5y4)
28x3y4÷7x2y2(18×109)÷(3×103)
-4a5b9c4÷4a3b2(54a3b3+36a)÷6a
(27a5+12a3-21a)÷3a(36xy-45xy3)÷9xy
(3a)2-(5b)2(-2b)3(xy3)3
(-5x4)3(xy)5(-2×103)3(4ab3)3
(105)4(a2)7(am)5-(y6)5
(104)8(b8)9-(xn)3(a9)3•a8
x•x5c•c9s•s2
(-7)9×(-7)6×(-7)2x4m•x8m+1xm•x2m-1
111
(-—)×(-—)4×(-—)2c2•c6z6•z5
333
(-5)×(-5)7×(-5)9z•z2s•s7
111
(-—)7×(-—)8×(-—)2y2n•y9n-1x2m•x8m-1
999
(-3x4)(7x-9)6a(3a-5b)(3x+2y)(-8x)
21
(—ab2+5ab)•—ab4x(x-2)+3x(2x+2)-4x(x+3)
32
(x+5)(2x-3)(x+8y)(3x+7y)
(2x+y)(x2+3xy+y2)(x-3y)(2x+2y)
(a-1)2(4a+7b)(a+8b)
(3x2-9)(4x+2)(4x2-x+1)(x+1)
(x+4)(x-1)(x-6)(x-3)
(y+4)(y-1)(y+1)(y+2)
b4÷b228a5b7÷(-7a4b2)
(-xy)5÷(-xy)2(-20x9y6)÷(-4x8y3)
32x7y4÷8x3y2(36×107)÷(4×104)
-2a3b4c2÷7a2b2(64a3b3+64a)÷8a
(12a4-12a3+16a)÷4a(16xy+16xy2)÷4xy
(5a)3-(6b)3(-6b)3(xy2)4
(-5x3)3(ab)5(-3×104)2(3ab3)3
(106)6(x9)9(xm)2-(x6)3
(109)2(b4)3-(bm)6(a8)6•a4
x•x7c4•c6t9•t4
(-8)6×(-8)6×(-8)3xm•x4m+1xm•x9m+1
111
(-—)×(-—)2×(-—)9b4•b4c7•c
444
(-5)2×(-5)7×(-5)4y•y3a4•a7
111
(-—)×(-—)3×(-—)8ym•y9m-1y3n•y3n-1
888
(-x3)(6x+3)6a(4a+4b)(5x-4y)(-3x)
71
(—ab3-2ab)•—ab2x(x+2)-x(2x+4)-2x(x-3)
67
(x+1)(4x+5)(x+6y)(x-y)
(2x-y)(x2+xy+y2)(x-5y)(2x-y)
(a-1)2(a+b)(a-b)
(x2-9)(x+4)(4x2+2x+1)(x+2)
(x-4)(x-3)(x+3)(x-5)
(y+3)(y-3)(y+1)(y+1)
a8÷a481a6b5÷(-9a3b3)
(-b)8÷(-b)2(-12x8y6)÷(-4x4y2)
24x9y3÷8x6y2(56×108)÷(8×106)
-5a9b5c4÷3a2b3(63a2b-35a)÷7a
(12a4+8a2-6a)÷2a(12x3y2+14x2y)÷2xy
(8a)3-(5b)3(-3b)2(xy5)3
(-4x4)3(ab)7(-3×104)2(3ab3)2
(108)3(b5)9(an)7-(y2)8
(104)8(b8)8-(am)6(a5)9•a7
x2•x7x3•x4s6•s2
(-7)9×(-7)4×(-7)3xn•x3n-1xm•x7m-1
111
(-—)9×(-—)7×(-—)4t6•t9z3•z
444
(-9)6×(-9)5×(-9)3a3•a5y•y5
111
(-—)2×(-—)6×(-—)8y2n•y4n+1xm•x9m-1
555
(-8x3)(-9x-7)-6a(8a+4b)(5x+2y)(-4x)
51
(—ab3-5ab)•—ab3x(x-3)-4x(x-4)-2x(3x-2)
65
(x+9)(3x+5)(x-3y)(x-4y)
(2x-3y)(x2+2xy+y2)(x+4y)(2x-y)
(a-1)2(a-b)(a-8b)
(x2-4)(x+2)(2x2-x-2)(2x+2)
(x+2)(x-2)(x+3)(x+2)
(y-1)(y-2)(y-2)(y+1)
y4÷y212a3b9÷(-6a2b2)
(-x)8÷(-x)5(-12x7y6)÷(-3x5y3)
45x5y8÷5x3y3(28×103)÷(4×102)
-7a4b4c3÷4a3b3(18a2b-18a)÷3a
(27a6+12a3+18a)÷3a(28x3y2+12xy3)÷4xy