31/17 + (-5/13) + (-8/13) - 14/17
= ( 31/17 - 14/17 ) + (-5/13) + (-8/13)
= 17/17 + ( -13/13)
= 1 + ( -1 )
= 0
HỌC TỐT!
k nhớ
\(\frac{31}{17}\) + \(\frac{-5}{13}\) + \(\frac{-8}{13}\) - \(\frac{14}{17}\)
=(\(\frac{31}{17}\) - \(\frac{14}{17}\) ) +( \(\frac{-5}{13}\) + \(\frac{-8}{13}\))
=1 + -1
=0
Học tốt
31/17+(-5/13)+(-8/13)-14/17
=(31/17-14/17)+(-5/13)+(-8/13)
=17//17+(-13+13)
=1+(-1)
=0
ht
\(\frac{31}{17}\)+ ( -\(\frac{5}{13}\) ) + ( -\(\frac{8}{13}\)) - \(\frac{14}{17}\)
= \(\frac{31}{17}\)- \(\frac{5}{13}\)+ \(\frac{8}{13}\)- \(\frac{14}{17}\)
= (\(\frac{31}{17}\)- \(\frac{14}{17}\)) - ( \(\frac{5}{13}\)+ \(\frac{8}{13}\))
= \(1\)- \(1\)
= \(0\)
~HT~