Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    66-42+21
    66-42+21
    81-45+36
    92-28+33
    47-21-15
    3*6-5
    44+4*7
    【13000×1.72×(1+1.72)^12】÷【(1+1.72)^12-1】=
    90-arctan0.632-arctan3.16
    90-arctan0.29-arctan1.45
    90-arctan0.408-arctan2.04
    90-arctan0.28-arctan1.4
    C(6,2)
    2127÷(28×5.5+0.8×5.5²)
    2127÷(28×5.5+0.8×5.5²)
    2127÷(28×5.5+5.5²)
    250000/12
    53+5*9
    18+24/6
    (44-39)/5

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