Rút gọn :
a) \(\frac{579.933-944}{577.933+922}\)
b) \(\frac{377.733+722}{379.733-744}\)
Tính
\(P=\dfrac{2010.2011-1}{2010^2+2009}+\dfrac{744-379.733}{377.733+722}\)
BT2: Tính:
1) \(\frac{377.733+722}{379.733-744}\) + 3. (-4)\(^3\) - 5 . (-2)\(^5\)
BT1: Rút gọn
1) \(\frac{124.237+152}{870+235.122}\)
BT1: Rút gọn:
1) \(\frac{137.454+206}{453.138-110}\)
\(\frac{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+................+\frac{1}{2006}}{\frac{2016}{1}+\frac{2016}{2}+...........+\frac{2}{2015}+\frac{1}{2016}}\)
rút gọn nha mọi người
\(\frac{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{2016}}{\frac{2016}{1}+\frac{2015}{2}+....+\frac{2}{2015}+\frac{1}{2016}}\)
rút gọn nha mọi người
\(\frac{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+................+\frac{1}{2006}}{\frac{2016}{1}+\frac{2016}{2}+...........+\frac{2}{2015}+\frac{1}{2016}}\)
rút gọn nha mọi người
\(B=\left(1-\frac{1}{2}\right).\left(1-\frac{1}{3}\right).\left(1-\frac{1}{4}\right)\)
Rút gọn biểu thức này