N=\(\frac{18.275+3.666+}{1+4+7+58+61+62.2+62.3+62.4-271}\)\(\frac{9.614,2}{71}\)
giải các bất phương trình:
\(\frac{x+1}{65}+\frac{x+3}{63}< \frac{x+5}{61}+\frac{x+7}{59}\)
\(\frac{1909-x}{91}+\frac{1907-x}{93}+\frac{1905-x}{95}+\frac{1903-x}{97}+4< =2x-1\)
Tìm x :
\(\frac{8}{1.9}+\frac{8}{1.17}+...+\frac{8}{49.57}+\frac{58}{57}+2x-2=2x+\frac{7}{3}+5x-\frac{8}{4}\)
Tìm x:
\(\frac{8}{1.9}+\frac{8}{9.17}+...+\frac{8}{49.57}+\frac{58}{57}+2x-2=2x+\frac{7}{3}+5x-\frac{8}{4}\)
Giải pt: \(\frac{x+1}{65}+\frac{x+3}{63}=\frac{x+5}{61}+\frac{x+7}{59}\)
giải các pt sau
\(\frac{x+1}{3}+\frac{3\left(2x+1\right)}{4}=\frac{2x+3\left(x+1\right)}{6}+\frac{7+12x}{12}\)
\(\frac{2\left(3x+1\right)+1}{4}-5=\frac{2\left(3x-1\right)}{5}-\frac{3x+2}{10}\)
\(\frac{3\left(x-3\right)}{4}+\frac{4x-10.5}{10}=\frac{3\left(x+1\right)}{5}+6\)
\(\frac{x+1}{58}+\frac{x+2}{57}=\frac{x+3}{56}+\frac{x+4}{55}\)
1.Tìm các số thực a, b, c biết:
\(\frac{5x^2-2}{x^3-3x-2}=\frac{a}{x-2}+\frac{b}{x+1}+\frac{c}{\left(x+1\right)^2}\)
2.giải các phương trình sau:
a) \(\frac{x+3}{35}+\frac{x+3}{45}+\frac{x+3}{54}=0\)
b)\(\frac{2x-1}{85}+\frac{2x-1}{58}=\frac{2x-1}{62}\)
c)\(\frac{x=1}{100}+\frac{x+2}{99}+\frac{x+3}{98}=-3\)
d)\(\frac{x+13}{2010}+\frac{x+12}{2011}=\frac{x+11}{2012}+\frac{x+10}{2013}\)
e)\(\frac{845-x}{345}+\frac{771-x}{271}=\frac{687-x}{187}+\frac{529-x}{29}\)
Giải phương trình:
\(\frac{x+1}{58}+\frac{x+2}{57}=\frac{x+3}{56}+\frac{x+4}{55}\)
\(\frac{x-1}{59}+\frac{x-2}{58}+\frac{x-3}{57}=\frac{x-4}{56}+\frac{x-5}{56}+\frac{x-6}{54}\)Tìm x
