(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/27 05:32:25
(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.

(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75

(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
(3+0.2x)-(0.2+0.03x)*20=0.75*0.2
3+0.2x-4-0.6x=0.15
-0.4x=1.15
x=-23/8