2≤|6-3x|≤4
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/28 00:48:05
x)3zԹL0I*G//u.5yvɳۀ%F`';z|i';vj1SȃB4=lx{1PTjB]12ȸB"0404Z=Ogoy6c=KuL{ЊQ 1J6`\^:OjEw8{@ Z
1-x/5≤x/15 3x-x+2/4>2x-5/6
*-----------------------------------------------*| 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 ||
4道不等式.快.1.(x-1)(x-2)+(x-2)(x-3)-2(x-3)(x-4)≤-42.(x-6)(x-9)-(x-7)(x-1)>7(2x-5)3.(x-6)(x-9)-(x-7)(x+1)≤7(2x-5)4.x(x-3)
解不等式,{3x+1≤6x,2x-3(2x-4)≤0
解不等式组:x+6≤3x+4 1+2x/3>x-1
解不等式组2x-3<6-x.1-4x≤5x-2
当-3≤x≤2化简 √x^2+8x+16 -√x^2-6x+9+√x^2-4x+4
数学题啊!解不等式(过程)4x-2≥5x+7x+15>2x-36(x+2)≤3x-15(x+2)≤6x+13x-1≥6x-25(x+2)3x+20x-5/4 +1≤6x-23x+4>x/2 -1
6x一4≤3 2一X≤X十3 3X一2>X十8
解不等式(x^2+x+1)(x+3)^2(1-x)x(x+4)(x-4)^3≤0
﹛8+3x≤9+4x,5x+3>6x+1,2x-1
(x+3x+5x...+2009x)-(2x+4x+6x+...+2010x)
判断下列函数的奇偶性.(1)f(x)=-3x(2)f(x)=2x-1(3)f(x)=x^2(-2≤x≤1)(4)f(x)=-1/x^2(5)f(x)=|x|(6)f(x)=2x/(1-x)(1+x)
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
3≤|8-x| |x+1|>2-x |x+3|7|x+1| x^2-6|x|+9>0 |x-1|+|x+2|≥5 (1)方法
{x^2+4x+3,-3≤x
2(x-1)≤4-x 3(x+1)
|x-4|-|2x-3|≤1