2-x<1
*-----------------------------------------------*| 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 ||
若1<x<2,化简|x-2| /x-2-|x-1|/1-x+|x|/x的结果为
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
七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式:X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X.
分解因式----(X*X-X)(X*X-X-2)+1
解不等式:(x+1)(x-3)<x(2x+3)-(x²-1)
求函数f(x)=(x+5)(x+2)/(x+1),(x<-1)的最大值
设f(x)=x㏑(1+x^2),x≥0.(x^2+2x-3)e^(-x),x<0,求∫f(x)dx
x(9x-5)-5<3x(3x-2)+3(x-1)
】x(x+1)+x^2(x-1)
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
|X-2|-|X+1|<2
x+|x-1|<2
3x-2x+1<0
x²-3x-18<0 (x-1)(x+2)=(x-2)(2x+1)
(x+1)×(x-1)-2>x×(x+3)解不等式 0.2x-0.3/0.2-x+1/6<1
解不等式(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)<-4
解下列不等式:1.x-2<2(x-1),x/3≤4-x;2.2x-1<x+1,x+8<4x-1