👤

1. (+2/18)+ (-1/6) + (-3/24)
2. (+4/5)+ (-5/6) + (+6/7)


Răspuns :

1. (+2/18)+ (-1/6) + (-3/24)=
=1/9-1/6-1/8=(8-12-9)/72=-13/72
2. (+4/5)+ (-5/6) + (+6/7)=
=(168-175+180)/210=
=173/210
npc ^-^