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4/5x-1/10x=7/8/5/16=3/4x+1/2x
题目详情
4/5x-1/10x=7/8/ 5/16=3/4x+1/2x
▼优质解答
答案和解析
题目指代不清楚
若4/5x指(4/5)x
(1)
7/10x=7/8
x=5/4
(2)
5/4x=5/16
x=1/4
若4/5x指4/(5x)
(1)x=4/5
(2)x=4
若4/5x指(4/5)x
(1)
7/10x=7/8
x=5/4
(2)
5/4x=5/16
x=1/4
若4/5x指4/(5x)
(1)x=4/5
(2)x=4
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