化简x^5+x^6
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化简x^5+x^6
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
化简:x平方-x-2/x平方-x-6除以x平方+4x-5/x平方+2x-10
化简(x+2)(x的平方-6x-9)-(x-5)(x-3)x
化简x(x-1)+2x(x+1)-3x(2x-5)我是这一算的,化简x(x-1)+2x(x+1)-3x(2x-5)=x²-x+2x²+2x-6x²+15x=x+2x²-6x²+15x=18x+2x²-6x²=12x²-6x²可以相减吗,还是我算的不对了?
化简:〔(x^2+18x+72)÷(x+12)-(x^2+5x-6)÷(x-1)〕·(x^3-2x^2-x+1)
求 (5x^3-9x^2-6x)/(5-4x-2x^3)化简
化简:x^2-5x+6/x^2-1÷x-3/x+1
化简(2x-5)(3x+2)-6(x+1)(x-2),其中x=0.2
已知{1-7x>3-5x,-3x>6,化简|x|-|x+1|.
(x+3x+5x...+2009x)-(2x+4x+6x+...+2010x)
x/x-3-5x/x^2-x-6计算
x^6-x^5+x^4-x^2+x-1
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
计算:x/x-2 - 5x/x²-x-6计算:x/x-3 - 5x/x²-x-6
化简4x-(3+8x)+5(6x+4)
化简|2x-6|+|3x-3|-|5x+10|