Mathematics
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    0.154+1.5362*(-0.295)
    arcsin0.6
    arctan 7
     2+2+2+9-4-35-35-4-7+723846
    3*(-2)
    √0.05
    √(0.5)
    √0.5
    1+sin(3.14/4)*sin(3.14/4)
    (1.5*40%)/3%=
    (35%-5%)/1.6=
    (35%-5%)*1.6=
    1/10+1/5+3/10+2/5
    1*1.8/2-1=
    (1-12.5%)*2.2/2-1=
    200×25
    48乘以16
    48÷16
    90÷39
    63÷18

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