97除以2x=34.2
问题描述:
97除以2x=34.2
答
97除以2x=34.2
34.2×2x=97
68.4x=97
x=1又143/485
97除以2x=34.2
97除以2x=34.2
34.2×2x=97
68.4x=97
x=1又143/485