Mathematics
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    sqrt((270/4)^2+36)
    (-2)^4*(2.56-1.27)^2+(-1.69)
    270/4+36
    50*360/2/3.1415926/3.258
    50*360/2/3.1415926/4.107
    lg20
    20lg0.7
    8^24-8^23
    -108-(12)+23+18
    -2 4/3+(-3 3/2)+20 4/1-2 6/1
    (0.023/365)^365
    8^24-8^23
    2752-534
    (100000)/e-999
    (100000)/e999
    (1000000000)/e99999999
    1/πarctan1
    1/πarctanπ/4
    √222×222
    222×222

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