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▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
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▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
riemann-sum-calculator
%E9%BB%8E%E6%9B%BC%5C%3A%5Cint_%7B0%7D%5E%7B8%7D%5Csin%28%5Csqrt%7Bx%7D%29dx%2C%5C%3An%3D4
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