（x-0.905）*600-0.1=3
    1=-lnx-x
    xe^(x+1)=1
    x^2-52.3x+1=0
    30-（36-x）=
    (x-3)+(x+3)+(x/3)+(x×3)=128
    （x-0.443）*300-0.1=1
    3x^2-2x^3+12=0
    （38.584+x）×0.85＝38.584-x+63.968
    （38.584+x）×0.85＝38.584-x+64.968
    （38.584+x）×0.85＝38.584-x+65.968
    （38.584+x）×0.85＝38.584-x+68.968
    (5814.0-y)/y=2.3%
    (5581.5-y)/y=1.9%
    (5316.8-y)/y=2.2%
    (5046.7-y)/y=2.4%
    (2151.7-y)/y=2.8%
    7640921.70-（238589.27-（X-6407057.06）/1.09*0.09-9155.11-11.67）*1.12-1733.75=X
    (2040.2-y)/y=3.3%
    (546.3-y)/y=7.3%

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