Mathematics
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    abs(x-1)+abs(x-2)>5
    9-x²≥0
    (x+2)(x-3)>0
    30^(1-x)+3*60^(1-x)>4*50^(1-x)
    30^(1-x)+3*60^(1-x)>4*45^(1-x)
    30^(1-x)+3*60^(1-x)>4*60^(1-x)
    30^(1-x)+3*60^(1-x)<4*40^(1-x)
    30^(1-x)+3*60^(1-x)>4*40^(1-x)
    √(1-x^2)<1
    √(1-x^2)>1
    (3x+4)(3x-4)>9(x-2)(x+3)
    56+56+4x>4
    151>52+425
    3e^x-3>0
    6x-3<0
    6x-3>0
    (4-x)/(x+5)≥2
    abs(2x+1)<5
    (xx-5x+6)÷(x+2)>0
    (3x+1)÷(x+2)≥1

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