(0.1x+0.1)÷0.3-(0.01x+0.01)÷0.02
问题描述:
(0.1x+0.1)÷0.3-(0.01x+0.01)÷0.02
数学人气:265 ℃时间:2020-06-06 01:08:25
优质解答
令0.1x+0.1=a
3a/10-a/5015a-a14aa0.1x+0.1x+1x
3a/10-a/5015a-a14aa0.1x+0.1x+1x
答
令0.1x+0.1=a
3a/10-a/5015a-a14aa0.1x+0.1x+1x