Mathematics
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    48*65
    48/365
    247/36=
    1/2=
    1.5×16.7×785000×500×sin(1.29)×sin(1.29)×sin(1.29)÷3.14+360×4909×437.5×(sin(1.29)+sin(1.35))÷3.14=
    2.2-1.3*52/63+0.8*25/63
    2.2-1.3*52/63+0.8*25/63
    2.2-1.3*52/63+0.8*25/63
    11.4×0.6×0.6
    3+sqrt10
    3+2sqrt2
    tan(arccos0.6)-tan(arccos0.92)
    92142²-81085²
    81085²
    92142²
    92142²-81085²=
    92142²-81085²=
    7371²-6486²=
    7371²-6486²=
    7371^2-6486^2=

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