51又1/4x4/5+61又1/5×6/5 答案网 2022-04-21 阅读(0) 51又1/4x4/5+61又1/5×6/5 问题描述: 1最佳答案: 51又1/4x4/5+61又1/5x5/6=(50+5/4)x4/5+(60+6/5)x5/6=50×4/5+5/4x4/5+60×5/6+6/5x5/6=40+1+50+1=92