(x+4)(x^2+16)(x-4),(x-1/3)（x^2+1/9)(x+1/3),

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(x+4)(x^2+16)(x-4),(x-1/3)（x^2+1/9)(x+1/3),
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(x+4)(x^2+16)(x-4),(x-1/3)（x^2+1/9)(x+1/3),
(x+4)(x^2+16)(x-4),(x-1/3)（x^2+1/9)(x+1/3),

(x+4)(x^2+16)(x-4),(x-1/3)（x^2+1/9)(x+1/3),
(x+4)(x^2+16)(x-4)
=(x-4)(x+4)(x^2+16)
=(x^2-16)(x^2+16)
=x^4-256
(x-1/3)（x^2+1/9)(x+1/3),
=(x-1/3)(x+1/3)(x^2+1/9)
=(x^2-1/9)(x^2+1/9)
=x^4-1/81

(x+4)(x^2+16)(x-4),
=（x²-16)(x²+16)
=x^4-256

(x-1/3)（x^2+1/9)(x+1/3),
=(x²-1/9)(x²+1/9)
=x^4-1/81

*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || (x/x-2-x/x+2)/4x/x-2 1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做 (x-2)(x+2)(x^4+4x^2+16) (x-2)(x+2)(x^2+4)(x^4+16) (x-2)(x^2+4)(x^4+16)(x+2) (x^2 + 4x)(x^2 + 4x+8)+16 (x^2-4x)(x^2-4x+8)+16 16x^4-4x^2+x)/x=? （16x^4+4x^2+x）/x=? x^2-8x+16分之x^2-4x （x^2-4x）/x^2-8x+16 因式分解：(X+2)(X+4)(X+6)(X+8)+16 （x+2)(x-2)+16 (x-1)(x-2)+3x（x+3）-4（x+2)(x-3)（x+2)(x-2)+16 (x-1)(x-2)+3x（x+3）-4（x+2)(x-3) 计算(x+/1x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1) (x+1/x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1) (x+x^-1)(x^2+x^-2)(x^4+x^-4)(x^8+x^-8)(x^16+x^-16)(x^2-1)=? (x^2-8x+16)/(4-x^2)/(16-x^2)/(4+4x+x^2)