5x/8+(3/8)*8.4=(1+0.25)*9.6
问题描述:
5x/8+(3/8)*8.4=(1+0.25)*9.6
答
5x/8+(3/8)*8.4=(1+0.25)*9.6
5x/8+3.15=12
5x/8=8.85
x=14.16