Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    7 × 8 + 30 × 14
    16 × 24 ÷ 2 + 32 × (36 - 16) ÷ 2
    xln(x/0.025) = 0.0138
    xln(x/0.025)=0.0199
    xlnx-xln0.025=0.0257
    sqrt[(2x)^2-x^2]
    arccos0
    arccos-0.6
    arccos0.6
    arccos0.8
    e3a=8
    (x-20)(-2x+80)
    (252+180)/36
    (252-180)/34
    36*7
    250*0.18
    sqrt(50/0.18)
    1125/(100*sqrt(3))
    1105/(100*sqrt(3))
    2*3.14*40/90

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