当x当x
当1〈x
当x>1时.化简|1-x|+1=
当x>0时,(1+x)ln(1+x)>x
当X
化简|x-1|+|x|用零点分段法当x>1时怎么写啊 还有|2x-1|+|x+1| 求|x-2|+|x-4|+|x-6|
当x满足条件{x+1
当x满足条件x+1
当x_时,|x-5|=5-x 已知1<x<3,化简|x-1|+|x-3|=
当1<x<5时,化简√x方-2x+1 -√x方-10x+25
数学问题:化简1/x(x+1)+1/(x+1)(x+2)+……+1/(x+2012)(x+2013),并求当x=1时该代
1.当x____时,1/x+1有意义 化简:1.(3x/(x+2)-x/x-2)+2x/x²-4 2.(a/b