初二数学上册整式的乘法32.docx
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初二数学上册整式的乘法32.docx
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初二数学上册整式的乘法32
(5a)2-(6b)2(-3b)2(xy4)2
(-5x4)3(xy)4(-2×104)2(4ab4)2
(108)8(b5)8(an)5-(x8)2
(108)2(x4)8-(ym)6(a5)5•a8
x•x3c2•c6z•z5
(-6)×(-6)3×(-6)3x6n•x5n+1xm•x7m-1
111
(-—)×(-—)6×(-—)4s6•sa8•a3
999
(-5)×(-5)6×(-5)3t•t5y•y9
111
(-—)×(-—)6×(-—)5x9m•x2m-1ym•y8m+1
888
(-x3)(7x-5)-3a(6a+9b)(6x-7y)(-3x)
41
(—ab3+4ab)•—ab3x(x-4)+3x(x-4)-x(x+4)
34
(x-6)(x+7)(x-2y)(2x-y)
(x+3y)(x2+xy-y2)(x-y)(x+y)
(a+4)2(3a-6b)(a+b)
(x2-4)(x+6)(x2-x+1)(x+3)
(x+2)(x+2)(x-6)(x+3)
(y+3)(y+3)(y+3)(y+2)
b8÷b628a9b6÷(-4a5b5)
(pq)3÷(pq)2(-30x8y5)÷(-6x5y3)
12x5y4÷2x2y3(35×104)÷(7×102)
-8a9b8c4÷6a7b5(81a2b2-45a)÷9a
(40a4-30a3+10a)÷5a(14xy3-14x2y3)÷7xy
(3a)2-(2b)3(-5b)2(xy5)2
(-4x4)3(xy)6(-3×102)3(4ab2)2
(103)3(a4)9(bm)8-(y8)8
(105)5(y4)9-(ym)7(a7)2•a3
x6•x5a•a6b•b3
(-1)6×(-1)6×(-1)3xm•x5m+1xm•x5m+1
111
(-—)×(-—)4×(-—)3c9•c9x6•x7
999
(-5)6×(-5)8×(-5)3a•a5s8•s4
111
(-—)×(-—)9×(-—)7xn•x7n-1xn•x7n+1
777
(-6x3)(8x-8)7a(7a-6b)(3x-5y)(-3x)
41
(—ab3+2ab)•—abx(3x+1)+x(x+3)-4x(x-4)
54
(3x+1)(x-7)(4x-y)(3x-3y)
(3x-3y)(x2-2xy-y2)(4x-3y)(x+8y)
(a+2)2(a+b)(4a+b)
(x2-7)(3x+9)(x2-x-2)(x+2)
(x+3)(x+1)(x+2)(x-6)
(y-2)(y-2)(y+3)(y+2)
x5÷x28a6b9÷(-4a4b8)
(-x)3÷(-x)2(-10x6y7)÷(-2x4y3)
9x7y4÷3x5y3(45×108)÷(5×103)
-8a7b9c2÷4a3b2(24a3b+32a)÷4a
(35a6+28a2+14a)÷7a(45x2y2-27xy)÷9xy
(6a)3-(5b)2(-6b)2(xy5)4
(-3x4)2(xy)2(-3×102)3(4ab3)2
(105)9(x3)7(xm)8-(y4)2
(107)2(y7)9-(bm)9(a8)6•a4
x6•x3y7•y8s•s3
(-6)×(-6)4×(-6)8x6n•x3n+1xn•x6n-1
111
(-—)×(-—)7×(-—)5t6•t3z7•z4
999
(-7)4×(-7)8×(-7)9x2•x5y2•y5
111
(-—)3×(-—)2×(-—)2yn•y8n+1xm•x2m-1
666
(-x3)(-2x-7)-7a(7a-8b)(6x+4y)(-9x)
21
(—ab3-6ab)•—ab24x(x+3)+x(x+2)-x(3x+2)
32
(4x+7)(x-4)(x+9y)(2x-9y)
(x+y)(x2-xy+y2)(3x+y)(x+4y)
(a-4)2(2a-b)(a+b)
(4x2-5)(x+8)(3x2+4x+1)(x-1)
(x+1)(x-3)(x-5)(x+6)
(y-3)(y+3)(y-2)(y-3)
b7÷b556a4b9÷(-8a3b4)
(-x)5÷(-x)4(-16x6y8)÷(-8x2y6)
14x3y3÷2x2y2(63×105)÷(9×104)
-2a7b8c2÷3a5b6(48a2b+32a)÷8a
(24a6+15a2-9a)÷3a(24x3y3-54x2y)÷6xy
(5a)3-(5b)2(-6b)2(xy2)4
(-4x4)2(ab)5(-2×102)2(4ab2)2
(105)4(b6)9(an)8-(b9)5
(107)9(b6)8-(am)8(a3)5•a7
x•x3c5•c9z•z5
(-4)3×(-4)9×(-4)7xn•x9n+1x2n•x8n+1
111
(-—)×(-—)8×(-—)4x4•x2y7•y
888
(-9)8×(-9)4×(-9)8y•y6c4•c7
111
(-—)4×(-—)7×(-—)5xn•x6n+1x6m•x9m+1
999
(-x2)(-3x+8)3a(7a-5b)(2x+7y)(-4x)
71
(—ab3+5ab)•—ab34x(2x-1)-x(x-3)-x(x-4)
67
(x-7)(3x-9)(4x-6y)(x-y)
(2x-y)(x2-xy-y2)(3x+6y)(4x+3y)
(a+1)2(2a+5b)(a-b)
(x2-3)(x-7)(4x2-x-1)(3x-1)
(x+2)(x-2)(x+6)(x+3)
(y+3)(y+1)(y-1)(y+2)
x3÷x224a7b9÷(-6a3b4)
(-b)3÷(-b)2(-54x7y3)÷(-6x2y2)
28x6y6÷7x5y3(35×104)÷(7×102)
-6a9b4c3÷3a3b3(81a3b+72a)÷9a
(72a5-48a3+64a)÷8a(36x3y2+27x2y2)÷9xy
(3a)2-(3b)3(-2b)3(xy5)4
(-5x3)2(xy)7(-4×104)2(2ab4)2
(107)2(x7)7(xn)7-(x5)4
(105)6(x2)5-(an)7(a5)7•a7
x•x5y•y9c6•c7
(-4)9×(-4)9×(-4)3x9n•x7n+1xn•x2n-1
111
(-—)×(-—)9×(-—)5c9•cs9•s
555
(-7)6×(-7)5×(-7)8c•c6x•x5
111
(-—)2×(-—)8×(-—)2y9m•y8m+1y5n•y9n+1
222
(-x2)(9x+1)6a(7a+7b)(6x+6y)(-7x)
41
(—ab3-3ab)•—ab2x(x-3)+4x(2x+1)-4x(x+2)
54
(x-1)(3x-7)(4x+y)(4x+8y)
(x+2y)(x2+2xy+y2)(4x-8y)(2x+5y)
(a-1)2(3a+b)(4a-b)
(x2+6)(x-7)(4x2+2x+3)(x+1)
(x+2)(x+1)(x-1)(x-5)
(y+3)(y-3)(y-3)(y-3)
y6÷y227a9b6÷(-9a2b2)
(ab)5÷(ab)3(-24x3y6)÷(-6x2y2)
36x7y9÷4x3y4(20×103)÷(5×102)
-6a8b6c3÷6a3b4(4a2b3-8a)÷2a
(30a5-45a2+30a)÷5a(42x2y-30x3y3)÷6xy
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- 初二 数学 上册 整式 乘法 32