Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    (1+1/4+1/9+1/16+1/25+1/36+1/49+1/64+1/81+1/100+1/121+1/144+1/169+1/196+1/225+1/256+1/289)
    (1+1/4+1/9+1/16+1/25+1/36+1/49+1/64+1/81+1/100+1/121+1/144+1/169+1/196+1/225+1/256+1/289)*6
    4/1-4/3+4/5-4/7+4/9-4/11+4/13-4/15+4/17-4/19+4/21-4/23+4/25-4/27+4/29
    arctan40
    arctan(47/(5*3^(1/2)))+30
    arctan(11/(5*3^(1/2)))+30
    arctan(11/(5*3^(1/2)))+π/6
    arctan(11/(5*3^(1/2)))
    1.75-0.5
    √3=
    9×4/15
    0.9×360×4418×(765-125/2)+360×2454×(615-125/2)+360×2454×(125/2-25)
    0.9×360×3436×(765-125/2)+360×2454×(615-125/2)+360×2454×(125/2-25)
    20lg0.032
    360×4418×(765-125/2)+360×2454×(615-125/2)+360×2454×(125/2-25)
    360×710×(765-331/2)+360×2454×(665-331/2
    (360×3436×(765-125/2))+(360×2454×(615-125/2))+(360×2454×(125/2-25))
    20lg0.8
    sqrt(12)
    30.5^2

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