7.0875-4又3分子2乘0.72+64分子57除以2.85

问题描述:

7.0875-4又3分子2乘0.72+64分子57除以2.85

7.0875-14*0.72/3+57/64*2.85 =7.0875-14*0.24+1/64*0.05 =7.0875-3.36+1/3.2 =7.0875-3.36+0.3125 =4.04