0.5x-1=3分之2+2分之3=?2x=4分之15+2分之7=?2x-3分之1=-3分之x+2=?
人气:304 ℃ 时间:2020-04-13 01:18:00
解答
0.5x-1=3/2+2/3=13/6
x/2=19/6
x=19/3
2x=4分之15+2分之7=15/4+7/2=29/4
x=29/8
2x-3分之1=-3分之x+2
2x-1/3=-x/3+2
(2+1/3)x=2+1/3
7x/3=7/3
x=1
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