Mathematics
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    π-2π
    100000×[(2-25%)÷7+1.01%]×[2-1÷(4-3.9375)%]+(8+3.5÷0.07)×2000
    cos(sqrt45)
    90-tan35-tan23-cos(28×tan30)
    2%+3.5%×100000÷350-0.09
    100/(1.06)^4
    2×(2022-2020)-2022+sqrt(12345678987654321)
    sin170
    sin99
    {[(77×78-6)-5679]÷107+30}×37
    2×[(2018-8)÷3+2]
    sqrt9-sin90
    4/5÷【2/7+1/8-1/8】
    2÷2+24×25
    e^2.4
    -3/2-4/2
    e^0.6
    8*39.28-231.32
    12/1.07+252/(1.07)^2
    2.4/1.07+42.4/(1.07)^2

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