10(2x-0.5)-4(2x-1.4)>5(0.5-x)
    -7x-19≥4x-4
    [(x-2)/3]-[(3x+5)/2]≥x-[(2-x)3]
    2x-8<13
    x+3<3x+2
    6+3x≥4x-2+6
    (y+3)/2≤(3/4)(2y-5)
    x≤1
    X²-3X+5>0
    X²-2X+1>0
    3x²×17x≤0
    1X²＋1400x≤4800
    b-√b²-12＞1
    b²-12＞0
    4-12(x-1)≥0
    1-2+a-1≤0
    5x-5<0
    X-25-(100+X)×1%≥10
    X - 50 - ( 100 + X ) * 1 % ≥10
    X - 50 - ( 100 + X ) * 1 % ≥10

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