((15552*1.666+4780)*6.27%+107+311+608)*(1+15%*1.5+46.6%+33%)*(1.5*（1+2.78x/(1400+x)+0.15)＜6817.97183*1.5*（1+2.78x/（1400+x））
    2x^2-3x+3 >0
    x-1.96*sqrt(x*(1-x))>80
    4x+1≤6
    5x+3<7
    −0.2d+0.5≤0.18
    4f+7<15
    −8p−4≥36
    0.75v+0.15>0.9
    0.2j≤−1.8
    −4k≥k+15
    3t+2<29
    −9g+2<−g+18
    42≤6c−9c
    5r−12≤3r−56
    8s+11>83
    4y−3<13
    0.4d+0.07≤0.35
    −6j≤−36
    4k≥−7k+22

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