急需20道一元一次不等式组!!!


急需20道一元一次不等式组!!!

文章插图
【急需20道一元一次不等式组!!!】- -原谅莪不会打书上内种大括号 x-2<2 2x+3<0 x-4(x-5)>81.{ 2.{ 3.{ 2x-1>0 x-2>1 2x+3/4>x 2(x+2)<3x+3 -5<3(1-2x)/5 3(x+2)x+1/4 x-3(x-1)<7 -3x<2 3-(x-5)>3x-47.{ 8.{ 9.{ 1-2-5x/33(x-7) 5x-2≥3(x+1) 1+1/2x>210.{ 11.{ 12.{ (2x-3)>5(x+2) 1/2x+1>3/2x-3 2(x-3)≤4 5/7x+2/32x+1 5x-2≥3(x+1)13.{ 14.{ 15.{ 4(x+2)>2(3x+5) 3x-2(x+1)>0 2x-3(x-1)>6 6x+8>3x+8 (3+8)x>6 2x>1-x16.{ 17.{ 18.{ (3+8)x>6 7+3x<5+4x x+2<4x-1 x-5>1+2x -3x-1>319.{ 20.{ 3x+2<4x 2x+1>3

    推荐阅读