3/2-1/4(x/2-(x-2/4))=1/10(5x-(5x+3)/4)
解；30-5(x/2-(x-2/4))=5x-(5x+3)/4
120-20(x/2-(x-2/4))=20x-5x-3
120-10x-20(x-2/4)=15x-3
120-10x-20x-10=15x-3
45x=113
x=113/45
楼主：我问我的数学教师的。进修朝上进步~若觉得称心~请记得摘纳~∩_∩
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3/2-1/4(x/2-(x-2/4))=1/10(5x-(5x+3)/4)
解；30-5(x/2-(x-2/4))=5x-(5x+3)/4
120-20(x/2-(x-2/4))=20x-5x-3
120-10x-20(x-2/4)=15x-3
120-10x-20x-10=15x-3
45x=113
x=113/45
楼主：我问我的数学教师的。进修朝上进步~若觉得称心~请记得摘纳~∩_∩