\(\dfrac{11}{4}+\left|\dfrac{2}{7}-x\right|-\dfrac{5}{2}=\dfrac{4}{3}\)

(\(\dfrac{a}{b}\))\(^3\)=\(\dfrac{1}{1000}\) và b-a=36

Thực hiện phép tính A=(1-\(\dfrac{1}{1+2}\)).(1-\(\dfrac{1}{1+2+3}\))..................(1-\(\dfrac{1}{1+2+3+....................+2016}\))

giá trị lớn nhất

B=1+\(\dfrac{1}{2}\)(1+2)+\(\dfrac{1}{3}\)(1+2+3)+\(\dfrac{1}{4}\)(1+2+3+4)+......................+\(\dfrac{1}{20}\)(1+2+3+.............+20)

GIA TRI BIEU THUC

\(\left(\dfrac{1}{2}\right)^2.\left(\dfrac{2}{3}\right)^2.\left(\dfrac{3}{4}\right)^2.............\left(\dfrac{9}{10}\right)^2\)