10000/x+10000/(x+8)*0+10000/(x+16)+10000/(x+24)*2<=350
    abs(x-4)≤2
    abs(x-1)≤3
    sqrt(x^2-1)>sqrt(2x^2+4x) 90
    sqrt(x^2-1)>sqrt(2x^2+4x) 90
    10000/x*1+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*6<=550
    10000/x*0+10000/(x+4.8)*1+10000/(x+9.6)*0+10000/(x+14.4)*7<=550
    10000/x*0+10000/(x+4.8)*1+10000/(x+9.6)*0+10000/(x+14.4)*5<=350
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*9<=550
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*0<=150
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*2<=250
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*4<=350
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*6<=450
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*8<=550
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*7<=550
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*5<=450
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*3<=350
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*6<=550
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*1<=250
    10000/x+10000/(x+4.8)*0+10000/(x+9.6)*2+10000/(x+14.4)*4<=450

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