(11-11/25x7) +(9-11/25x5)+ (7-11/25x3)=?

问题描述:

(11-11/25x7) +(9-11/25x5)+ (7-11/25x3)=?
kuai

(11 - ((11 / 25) x 7)) + (9 - ((11 / 25) x 5)) + (7 - ((11 / 25) x 3)) = 20.4