搜索智能精选 题目 0.4x+0.20.2- 2x-0.50.5=1 答案 解: 0.4x+0.20.2- 2x-0.50.5=1 两边同时乘以最简公分母0.1,则分式方程转化为0.5(0.4x+0.2)-0.2(2x-0.5)=0.1去括号的:0.2x+0.1-0.4x+0.1=0.1合并同类项:-0.2x=-0.1,解得:x=0.5故答案为: ...