-50-（100+x）*1%+X≥10
    2x-8<2x<20
    abs(2x+3)>4
    2^x>x^2
    −1.19cos(−x+1.775)>0
    −1.19cos(−x+1.775)>0
    −1.19cos(−x+1.775)>0
    4X+1＞X^2
    X^2+1＞4X
    X^2+4X＞1
    196-210-7x≥0
    196-210-7x≥0
    -14-7x≥0
    abs(x-4)-abs(2x-3)<=1
    241/cosx≤500*0.75
    0<(1-2a)<1
    230/cosx<375
    x²-5x-6＞0
    32x^10+(5x+3)^5<0
    32x^10+(5x+3)^5>0

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