Toán Tìm X : X x 2013 – x = 2013 x 2011 + 2013 06/08/2021 By Savannah Tìm X : X x 2013 – x = 2013 x 2011 + 2013
Ta có : $x×2013-x = 2013×2011+2013$ $\to x×(2013-1) = 2013×(2011+1)$ $\to x×2012 = 2013×2012$ $\to x=2013$ Trả lời
X x 2013 – X = 2013 x 2011 + 2013 X x (2013 – 1) = 2013 x (2011 + 1) X x 2012 = 2013 x 2012 ⇒ X = 2013 Trả lời
Ta có : $x×2013-x = 2013×2011+2013$
$\to x×(2013-1) = 2013×(2011+1)$
$\to x×2012 = 2013×2012$
$\to x=2013$
X x 2013 – X = 2013 x 2011 + 2013
X x (2013 – 1) = 2013 x (2011 + 1)
X x 2012 = 2013 x 2012
⇒ X = 2013