a,b互为倒数,2乘以【】=【】乘以0.04=a乘以b

问题描述:

a,b互为倒数,2乘以【】=【】乘以0.04=a乘以b

a,b互为倒数,2乘以【0.5】=【25】乘以0.04=a乘以b