1.8-8x⼀1.2-1.3-3x⼀2-5x-0.4⼀0.3=0

2024-12-25 20:13:09
推荐回答(3个)
回答1:

(1.8-8x)/1.2-(1.3-3x)/2-(5x-0.4)/0.3=0
(18-80x/12-(1.3-3x)/2-(50x-4)/3=0
1.5-20/3x-0.65+3/2x-50/3+4/3x=0
-20/3x+3/2x+4/3x=50/3+0.65-1.5
-23/6x=949/60
x=-949/230

回答2:

(1.8-8x)/1.2-(1.3-3x)/2-(5x-0.4)/0.3=0
(18-80x/12-(1.3-3x)/2-(50x-4)/3=0
1.5-20/3x-0.65+3/2x-50/3+4/3x=0
-20/3x+3/2x+4/3x=50/3+0.65-1.5
-23/6x=949/60
x=-949/230

回答3:

25/93