解不等式|x-500|>5 |2x+5|≤7 |2x-5|>3 |7-5x|≤3 1≤|2x-1|<2 怎么解
解不等式组:X-3(X-1)X≤7① 1-(2-5x)/3<x②
解不等式组:{3+x<4+2x,5x-3≤4x-1,7+2x>6+3x.
解不等式组:2x+5≤3(x+2)x−1<23x
解不等式组 x-4≤3(x-2),1+2x/3>x-1; 3-2x≥0 ,2x-7≤4x+7; 3(x+4)-2 ≥5x
解不等式组2x+5≤3(x+2) 2x-1+3x/2
解不等式组:3/2x+5-1>2-x 2x+3≤x+11
解不等式(3x-2)(2x-3)≤(6x+5)(x-1)
解不等式组{2x<5x-3,-7x>x-24
x-5>1+2x 3x+2<4x 解不等式组
解不等式组1+3x<x+5,4x>3x-2
解不等式组X-3(X-1)≤7;1-3分之2-5X<X
x-(3-1)≤x+2解不等式!x-5/2+1>x-3 3/1x-2<1-5/1x x-(3x-1)≤x+2