0.4m=2.4m-0.2 对是求M
问题描述:
0.4m=2.4m-0.2
对是求M
答
什么意思,求m么?
0.4m=2.4m-0.2
0.4m-2.4m=-0.2
(0.4-2.4)m=-0.2
-2m=-0.2
m=0.1