Mathematics
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    73×137
    333333333333333×333333333333333 777777777777777×999999999999999 444444444444444×555555555555555 1×9+2×9.9+3×9.99+4×9.999+5×9.9999+6×9.99999
    1²+1²+2²+3²+5²+8²+13²
    sqrt(1.5 / (4 - 1))
    (2 + 2 + 1 + 2) / 4
    -1.5+12*sin(2*180*438000/8760+1.5*180)+0.052*438000/8760
    1.1×1.2×1.3+1.2×1.3×1.4+1.3×1.4×1.5+1.4×1.5×1.6 9.99999999×9.87654321+10.00000001×9.8765432 (1-0.5-0.25-0.125-0.0625-0.03125)÷3125 3.5÷[0.25+(3-0.75)÷1.5]+(13-0.75+0.25)×3.2 0.01×0.01+0.02×0.03+0.03×0.05+0.04×0.07+0.05×0.09 2.22222225÷(1.99999999×1.99999998-2×1.99999997)
    sqrt(98)
    √144²=
    √200²-√160²=
    √200²=
    1.1+1.3+1.5+1.7+1.9+2.1+2.3+2.5+2.7 (19.99×19.98-20×19.97)÷(20×19.99-20.01×19.98) 19÷4+19÷0.4+19÷0.04+19÷0.004+19÷0.0004 (20.04×20.05×20.06×20.07+0.00000001)÷(20.05×20.06-0.0001)
    √200²-160²=
    200²-160²=
    0.210/2
    0.292/2
    (1.5 + 2.5 + 3.5 + 4.5) / 15
    (1.5 + 2.5 + 3.5 + 4.5) / 15 / 4
    1/(0.21+0.15) + 1/(0.07+0.15) + 1/(0.21+0.07+0.15)
    1/(0.03+0.02) + 1/(0.2+0.02) + 1/(0.03+0.2+0.02)

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