X,2X,4X,8X,16X,32X,.第N个单项式为什么

*-----------------------------------------------*| 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=1-x/2+x/4-x/8+x/16-x/32 X,2X,4X,8X,16X,32X,.第N个单项式为什么 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 24道符号^表示平方1,x^+21x+202,x^-8x-203,x^+8x-204,x^-8x-335,x^-4x-326,x^-14x+337,x^+49x+488,x^-14x+489,x^-2x-4810,x^+22x-4811,x^-19x+4812,x^-16x+4813,x^+8x-4814,x^-29x+10015,x^+x-7216,x^+32x-3317,x^-21x-10018,x^+4x+319,x^-6x+520,x^+15x+2621,x^ 分解因式：x*x*x*x+2*x*x*x-9*x*x-2x+8 x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) x^－16/(x^+8x+16) +x／(x-4) 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X x(x+2)(x-2)-4x^2+8x (x^2 + 4x)(x^2 + 4x+8)+16 (x^2-4x)(x^2-4x+8)+16 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 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)