293.44×1.558+2×22.6×1.248
    (293.44-17.04×10)×1.402+2×0×1.192+17.04×10
    (275.44-16.04×10)×1.402+2×0×1.192+16.04×10
    275.44×1.662+2×29×1.289
    275.44×1.662+2×29×1.289
    238.96×1.662+2×29×1.289
    (238.96)×1.352+2×11.4×1.163
    293.44+18.7×7.46
    275.44+18×1
    238.96+19.2×1.9
    0+16.9×14.14
    (23×6.28×64.19+15×75.31)/(((23×9.6+22×2.5+19.1×2.4+22×0.5)/(9.6+2.5+2.4+0.5))×(8.72+6.28)+20)
    (9871.38×2285)/(6642.33×1975)
    （tan(45+40/2)）^2*2.71827^（3.1415926*tan40）
    466.74×1.558+2×22.6×1.248
    327.24×1.558+2×22.6×1.248
    (327.24-19.04×10)×1.402+2×0×1.192+19.04×10
    ((327.24-19.04×10)×1.402+2×0×1.192+19.04×10
    (309.24-18.04×10)×1.402+2×0×1.192+18.04×10
    309.24×1.662+2×29×1.289

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