(A/5)/(B/2)+(2A/5)/B+(2A/5)/(B/2)请写下过程!

问题描述:

(A/5)/(B/2)+(2A/5)/B+(2A/5)/(B/2)请写下过程!

整理后得
2A/5B+2A/5B+4A/5B
=8A/5B