10000x
    x^2 +2x+3>=0
    3000p－100p2≥20
    x^2-5/6x+1小于0
    y^3<1
    (16+y)/2<2y+2 1-2y-10≤-19 5(y+0.6)<43
    (16+x)/2<2x+2 1-2x-10≤-19 5(y+0.6)<43
    (370000*1.4-x)*(1.25*2*1.04)≥(370000*1.425-x)*(1.25*2)
    (370000*1.4-x)*(1.25*2*1.04)＞(370000*1.425-x)*(1.25*2)
    2x+5＞2x-1
    2x+5＞15x-1
    2x+5＞10x-1
    2x+5＞5x-1
    0.04x＜10540
    -0.04x＞-10540
    -1.04x+x＞484500-495040
    495040-1.04x＞484,500-x
    (370000*1.4-x)*1.04＞370000*1.425-x
    (370000*1.4-x)*(2.5*1.04)＞(370000*1.425-x)*(2.5)
    (370000*1.4-x)*(2.5*1.04)＞(370000*1.425-x)*(2.5)

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