Mathematics
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    45+(29-35)= 43+28-38= 49-26+22= 99-(26+26)= 94-(63+12)= 32+47-29= 38+29-37= 34-(28-19)=
    15123+1195×(3.07-3.5)-1/2×20.5×0.39×3.07^2-1/6×20.5×0.39×3.07^3
    74-(24+24)= 49-(27+22)= 63-27+19= 54-25+12= 48-(13+19)= 12+53-27= 75-34+28= 54-(59-27)=
    11.01×12+22.9×10.5+208.45×7.25+191.1×(1.9-3.25)-1/2×18.5×0.66×1.09^2-1/6×18.5×0.66×1.09^3
    11.01×16.51+22.9×15.5+208.45×10.93+191.1×(1.9-3.25)-1/2×18.5×0.66×1.09^2-1/6×18.5×0.66×1.09^3
    11.01×3.93+22.90×6.22+27.62×(1.09-1.5)-1/2×18.5×0.52×1.09^2-1/6×18.5×0.52×1.09^3
    tan(45+8.5)
    0.75-2
    14÷(1/14)
    14÷1/14
    14÷(3/7)
    14÷(1/2)
    14÷(1/14)
    14÷(1/2-3/7)
    √(2√5-10)
    (-1)^(1/5)
    sin12
    sin15
    5+√24
    5-√24

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