nilai 625½+128⅛-216⅓

=625 1/2+128 1/8-216 1/3
=625/2+128/8-216/3
=625/2+16-72
=625/2+32/2-144/2
=513/2

jawab
itu mungkin bilangan pamgkat pecahan..

625^½ + 128^⅛ - 216^⅓

=√625 + 8√128 (akar pangakat 8) - 3√216 (akar pangkat 3)

= 25 + 2 - 6
= 21

semoga membantu :)