递等式计算:(5/8)*(4/5)+(8/3)/(5/4)

问题描述:

递等式计算:(5/8)*(4/5)+(8/3)/(5/4)

(5/8)×(4/5)+(8/2)/(5/4)
=(5/8)×(4/5)+(8/3)×(4/5)
=(4/5)×(8/3+8/5)
=(4/5)×1
=4/5