Mathematics
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    76.50+(424.98-76.50) (2×7.353 )/19.5
    1613.98×(1-(4×6.235^2)/(19.5^2 ))
    40×200= 164×20= 4200÷70=
    24×500= 133×30= 1600÷40= 390×30= 163×30= 3500÷70= 41×600= 170×60= 1200÷80=
    1×1×1.1×0.45×10^(-3)×200×1230√((2+0.6×0.618)√35×0.00201×330)+0.75×10^(-3)×330×(1520+509)×0.707
    750×20= 234×20= 4200÷140= 706×60= 240×60= 1500÷150= 500×20= 184×20= 5400÷90=
    1×1×1.1×0.45×10^(-3)×200×1242√((2+0.6×0.303) √35×0.00201×330)+0.75×10^(-3)×330×(760+509)×0.707
    1×1×1.1×0.45×10^(-3)×200×1230√((2+0.6×0.618)√35×0.00201×330)+0.75×10^(-3)×330×(760+509+760+509)×0.707
    34×300= 153×30= 2100÷60= 66×60= 220×6= 1300÷130= 350×20= 154×20= 2040÷60=
    507×50= 201×50= 2200÷110=
    68×40= 222×4= 3900÷130= 22×300= 131×50= 1200÷40= 54×300= 193×30= 2500÷100=
    950×20= 274×20= 5400÷180= 96×600= 280×60= 1900÷190= 807×50= 261×50= 3400÷170=
    100×1520/(200×1230)
    1.014+0.1608
    1.013/1.2
    1.2/1.013
    96.851/72
    71.078*48/(92%*38.29)
    2/tan108
    2tan108

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