Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    21×0.64×0.63 =
    35.4×0.64×0.63 =
    49.5×0.64×0.63 =
    49.5×0.64×0.62 =
    49.5×0.64×0.6 =
    13.5×0.67×0.65+3 =
    34999500*(1+-1.317956)^-1+44955900*(1+-1.317956)^-2+45949900*(1+-1.317956)^-3+100950000*(1+-1.317956)^-4+102955200*(1+-1.317956)^-5+103961100*(1+-1.317956)^-6+83967800*(1+-1.317956)^-7+62013400*(1+-1.317956)^-8+13796300*(1+-1.317956)^-9
    34999500*(1+-1.671875)^-1+44955900*(1+-1.671875)^-2+45949900*(1+-1.671875)^-3+100950000*(1+-1.671875)^-4+102955200*(1+-1.671875)^-5+103961100*(1+-1.671875)^-6+83967800*(1+-1.671875)^-7+62013400*(1+-1.671875)^-8+13796300*(1+-1.671875)^-9
    (364/3)/(3/13)
    90+(arctan0.4*1.994-arctan0.2*1.994-arctan0.5*1.994-arctan0.08*1.994)
    arctan(0.08*2.48)
    arctan(0.5*2.48)
    90+(arctan0.4*1.994-arctan0.2*1.994-arctan0.5*1.994-arctan0.8*1.994)
    arctan(0.2*2.48)
    arctan(0.4*2.48)
    arctan(0.4*2.48)
    e^2
    75(1/7%-1/(7%*(1+7%)^19))+1000/(1+7%)^19
    75(1/9%-1/(9%*(1+9%)^20))+1000/(1+9%)^20
    2/5×2

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