\(\frac{14}{5}+\frac{9}{13}+\frac{17}{13}-\frac{8}{9}+\frac{17}{9}-\frac{4}{5}\)
\(=\left(\frac{14}{5}-\frac{4}{5}\right)+\left(\frac{9}{13}+\frac{17}{13}\right)+\left(\frac{17}{9}-\frac{8}{9}\right)\)
\(=2+2+1\)
\(=5\)
\(\frac{14}{5}+\frac{9}{13}+\frac{17}{13}-\frac{8}{9}+\frac{17}{9}-\frac{4}{5}\)
\(=\left(\frac{14}{5}-\frac{4}{5}\right)+\left(\frac{9}{13}+\frac{17}{13}\right)-\left(\frac{8}{9}-\frac{17}{9}\right)\)
\(=\frac{10}{5}+\frac{26}{13}-\left(-1\right)\)
\(=2+2+1\)
\(=5\)
14 / 5 + 9 / 13 + 17 / 13 - 8 / 9 + 17 / 9 - 4 / 5
=(14/5 -4/5)+(9/13 +17/13)+(17/9 - 8/9)
=10/5 +26/13 +9/9
=2+2+1=5
\(\frac{14}{5}+\frac{9}{13}+\frac{17}{13}-\frac{8}{9}+\frac{17}{9}-\frac{4}{5}\)
\(=\left(\frac{14}{5}-\frac{4}{5}\right)+\left(\frac{9}{13}+\frac{17}{13}\right)+\left(\frac{-8}{9}+\frac{17}{9}\right)\)
\(=\frac{10}{5}+\frac{26}{13}+\frac{9}{9}\)
\(=2+2+1\)
\(=4+1\)
\(=5\)
_Chúc bạn học tốt_
\(\frac{14}{5}+\frac{9}{13}+\frac{17}{13}-\frac{8}{9}+\frac{17}{9}-\frac{4}{5}\)
\(=\left(\frac{14}{5}-\frac{4}{5}\right)+\left(\frac{9}{13}+\frac{17}{13}\right)+\left(\frac{17}{9}-\frac{8}{9}\right)\)
\(=\frac{10}{5}+\frac{26}{13}+\frac{9}{9}\)
\(=2+2+1\)
\(=5\)
14/5 +9/13 + 17/13 - 8/9 + 17/9 - 4/5
= [ 14/5 - 4/5 ] + [ 9/13 + 17/13 ] + [ 17/9 - 8/9 ]
= 2 + 26/13 + 1
= 3 + 26/13
= 5
~ Chúc bạn học tốt ~
14/5 + 9/13 +17/13 - 8/9 + 17/9 - 4/5
= [14/5 - 4/5] + [9/13 + 17/13] - [17/9 - 8/9]
=10/5 + 26/13 + 9/9
=2+2+1
=4 + 1
=5
\(\frac{14}{5}+\frac{9}{13}+\frac{17}{13}-\frac{8}{9}+\frac{17}{9}-\frac{4}{5}\)
\(=\left(\frac{14}{5}-\frac{4}{5}\right)+\left(\frac{9}{13}+\frac{17}{13}\right)+\left(\frac{17}{9}-\frac{8}{9}\right)\)
\(=2+2+1\)
\(=5\)