化简:2|x| -3x÷|2x-|5x||
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 00:22:43
化简:2|x|-3x÷|2x-|5x||化简:2|x|-3x÷|2x-|5x||化简:2|x|-3x÷|2x-|5x||2|x|-3x÷|2x-|5x||(1)当x≥0原式=2x-3x÷(5x-2x)
化简:2|x| -3x÷|2x-|5x||
化简:2|x| -3x÷|2x-|5x||
化简:2|x| -3x÷|2x-|5x||
2|x| -3x÷|2x-|5x||
(1)当x≥0
原式=2x-3x÷(5x-2x)=2x-1
(2)当x
x>0 2x-1
x<0 -2x+3/7
2|x| -3x÷|2x-|5x||
(1)当x≥0
原式=2x-3x÷(5x-2x)=2x-1
(2)当x<0
原式=-2x-3x÷|2x+5x|
=-2x+3/7
x为负时,—2x—1,x为正时,2x加1,x为0时,没意义
1)当x>0时,=2x_1
2)当x<0时,=-2x-3/7
*-----------------------------------------------*| 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 ||
化简:2|x| -3x÷|2x-|5x||
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
[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简
化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x
化简:x-2x+3x-4x+5x-.+2011x-2002x
化简:X-2X+3X-4X+5X-……+2001x-2002x
化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
化简:[(x+2)/(x^2-4)-(2x-5)/(x-4x+4)]÷[(x-3)/(x-2)]
化简||x|-2x|÷(|x-3|-|x|)
化简:〔(x^2+18x+72)÷(x+12)-(x^2+5x-6)÷(x-1)〕·(x^3-2x^2-x+1)
化简|2x-|5x||分之2|x|-3x
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
(x+3x+5x...+2009x)-(2x+4x+6x+...+2010x)
化简:x^2-5x+6/x^2-1÷x-3/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
x/x-3-5x/x^2-x-6计算