Mathematics
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    230.32+18×1
    193.84+19.2×1.9
    0+16.9×11.47
    (9379.30×2308)/(6642.33×1975)
    (314.57-18.29×10)×1.402
    (296.57-17.29×10)×1.402
    454.07×1.558+2×22.6×1.248
    314.57×1.558+2×22.6×1.248
    (314.57-18.29×10)×1.402+2×0×1.192+18.29×10
    (296.57-17.29×10)×1.402+2×0×1.192+17.29×10
    296.57×1.662+2×29×1.289
    260.09×1.662+2×29×1.289
    (260.09)×1.352+2×11.4×1.163
    (0)×1.352+2×11.4×1.163
    314.57+18.7×7.46
    296.57+18×1
    260.09+19.2×1.9
    0+16.9×15.39
    arccos0.235
    arcsin0.5

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