9-2x>=x+3
    2（x+1）>x+3
    2m-1≤3
    2m-1≤3
    2m≤-1
    3（x-2）+1>2x-6
    (x-1)²(x+3)<0
    (x-1)²(x+3)<0
    －4082750+3000000+ w－w×10％/4-450000≥300000
    0.08*0.78<=(1+0.02x)(8-x)/100
    0.08*0.78<(1+0.02x)(8-x)/100
    (x-1)÷3≤(x+1)÷9
    x-1÷3≤x+1÷9
    4k(4k-5)<0
    x-3x＜2x+5
    6－X^2＞X
    log(x,0.5)<1
    3b^2-4≤0
    b^2≤4/3
    114.67/(2×h×0.57735026918962576450914878050196+1.4)+15×h≤200

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