Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    20lg80
    20lg60
    20lg50
    20lg70
    20lg3000
    20lg30
    20lg300
    275863.368/17.64
    0.298×12×77143
    0.85/(2+0.85)=
    20lg60
    (36000+36000+29630+29630)/(2×77143)
    20lg 50
    175886.04/17.64
    175886.04/4.2/4.2
    0.19×12×77143
    0.19×12×77143/4.2*4.2
    20lg100
    0.19×12×77143/4.22
    20lg400

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