so sánh

a) \(4+\sqrt{33}\)   và   \(\sqrt{29}+\sqrt{14}\)

b) \(\sqrt{26}-\sqrt{3}-\sqrt{2009}\) và -42

a) 3- \(\dfrac{1}{\sqrt{5}}\)         và   3- \(\dfrac{1}{\sqrt{7}}\)

b) \(\sqrt{841}+\dfrac{1}{\sqrt{6}}\)   và  \(\sqrt{784}-\dfrac{1}{\sqrt{7}}+1\)

\(\dfrac{4-3x}{x-1}< 2\)

tìm x

a) (5-x).(x-1)<0

b) (x-4).\(\left(x+\dfrac{1}{2}\right)>hoặc=0\)

\(\dfrac{x}{186}=\left(1-\dfrac{303030}{313131}\right)+\left(\dfrac{616161}{626262}-1\right)+\left(\dfrac{929292}{939393}-1\right)\)

 x-128=\(\left(4\dfrac{20}{21}-5\right):\left(\dfrac{4141}{4242}-1\right):\left(\dfrac{636363}{646464}-1\right)\)

tìm x e Q

a) \(\dfrac{x+1}{3}+\dfrac{x+1}{4}+\dfrac{x+1}{5}=\dfrac{x+1}{6}\)

b) \(\dfrac{x+1}{2020}+\dfrac{x+2}{2019}=\dfrac{x+3}{2018}+\dfrac{x+4}{2017}\)

c) \(\dfrac{x+2}{327}+\dfrac{x+3}{326}+\dfrac{x+4}{325}+\dfrac{x+5}{324}+\dfrac{x+349}{5}=0\)

 tìmx e Q

 x-180=\(\left(4\dfrac{20}{21}-5\right):\left(\dfrac{4141}{4242}-1\right):\left(\dfrac{636363}{646464}-1\right)\)