Tính A=(101+100+99+98+...+3+2+1)/(101-100+99-98+...+3-2+1)

A = \(\frac{101+100+99+98+...+3+2+1}{101-100+99-98+...+3-2+1}\)

B =\(\frac{3737\cdot4343\cdot37}{2+4+6+...+100}\)

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