0.2[y+2]=0.8解方程题
问题描述:
0.2[y+2]=0.8解方程题
答
0.2[y+2]=0.8
0.2y+0.4=0.8
0.2y=0.4
y=2
0.2[y+2]=0.8解方程题
0.2[y+2]=0.8
0.2y+0.4=0.8
0.2y=0.4
y=2