VT

\(\left(-2\right).\left(-1\frac{1}{2}\right).\left(-1\frac{1}{3}\right).\left(-1\frac{1}{4}\right)....\left(-1\frac{1}{2000}\right)\)

H24
5 tháng 4 2016 lúc 20:26

\(-2.\left(-\frac{3}{2}\right).\left(-\frac{4}{3}\right)....\left(-\frac{2001}{2000}\right)=\frac{\left(-2\right)\left(-3\right)....\left(-2001\right)}{2.3.4.5.......2000}\)

\(=2001\)

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