化简:2|x|-3x/|2x-|5x|| |x+5|+|2x-3| |3+|2-|1+x|||
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 08:05:03
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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-2x+3x-4x+5x-.+2011x-2002x
化简:X-2X+3X-4X+5X-……+2001x-2002x
化简|2x-|5x||分之2|x|-3x
化简:2|x| -3x÷|2x-|5x||
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
(x+3x+5x...+2009x)-(2x+4x+6x+...+2010x)
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-3-5x/x^2-x-6计算
x^5-x^4+x^3-x^2+x-1
化简 3x(x^2-x-1)-(x+1)(3x^-x) X^3(x-y)+x(y-x)
化简5x²+[x²+(5x²-2x)]-2(x²-3x)
化简x(x-1)+2x(x+1)-3x(2x-5)到底那个对?
化简(x+2)(x的平方-6x-9)-(x-5)(x-3)x
化简x-2y+3x-4x+5x-...+2001x-2002x,急.
计算:x/x-2 - 5x/x²-x-6计算:x/x-3 - 5x/x²-x-6
x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)