The author posted a question in Homework
physics problem? and got a better answer
Response from Антон Владимирович[+++++]
Response from 0[+++++]
it's not physics, it's arithmetic 1 / 1/3 / 54 + 1/2 / 72 + 1/6 / 36
it's not physics, it's arithmetic 1 / 1/3 / 54 + 1/2 / 72 + 1/6 / 36