(x+1.2)/2=1½ (解方程)
问题描述:
(x+1.2)/2=1½ (解方程)
答
(x+1.2)/2=1½
x+1.2=3
x=1.8
(x+1.2)/2=1½ (解方程)
(x+1.2)/2=1½
x+1.2=3
x=1.8