如果A-5/8B=B+2/3A,那么A:B=?
问题描述:
如果A-5/8B=B+2/3A,那么A:B=?
答
A-5/8B=B+2/3A
A-2/3A=5/8B+B
1/3A=13/8B
A:B
=13/8:1/3
=39:8