Mathematics
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    (25/64)/(25/16)-(9/8)*(4/9)
    (-(3*3))+((-3)*(-3)*(-3))
    (2/5)*(-(3/4))
    -1-(-(1/2))
    ((13/4)*(15/14)*(-2.4)*(14/13)
    35×33+25×65
    (-(13/4))*(15/14)*(-2.4)*(-14/13)
    (15/4)*(-0.105)+(-(15/4))*0.895+3.75
    (15/5)*(-0.105)+(-(15/4))*0.895+3.75
    5608.66+10.07*10.28*10.28
    (-1)+3*(1/4)-18*(-1/8)
    -(93/25)-((31/6))-(32/25)+(-13/3)
    -3.72-(-(31/6))-1.28+((-13/4))
    163.6-149.5
    5*9.3
    5*117
    1-((-1)*(-1))+((-1)*(-1)*(-1))-((-1)*(-1)*(-1)*(-1))
    7.5*15.6
    165.1-149.5
    0.5π*1.5(80*14.1+90*7)+0.25π*1.5*1.5*(210.7+2.45(117+9.3*7)/(15.6+7)*(12.6+7))

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