(0.747-3/4)*(1-4/7除以4/7) 怎么算?

问题描述:

(0.747-3/4)*(1-4/7除以4/7) 怎么算?

(0.747-3/4)×(1-4/7÷4/7)
=(0.747-3/4)×(1-1)
=(0.747-3/4)×0
=0