1/3(3y-(10-7y)/2)-1/2(2y-(2y+2/3)=y/2-1 内含分数

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1/3(3y-(10-7y)/2)-1/2(2y-(2y+2/3)=y/2-1内含分数1/3(3y-(10-7y)/2)-1/2(2y-(2y+2/3)=y/2-1内含分数1/3(3y-(10-7y)

1/3(3y-(10-7y)/2)-1/2(2y-(2y+2/3)=y/2-1 内含分数
1/3(3y-(10-7y)/2)-1/2(2y-(2y+2/3)=y/2-1 内含分数

1/3(3y-(10-7y)/2)-1/2(2y-(2y+2/3)=y/2-1 内含分数
Y-(10-7Y)/6-Y+(Y+1/3)=Y/2-1
6Y-10+7Y-6Y+6Y+2=3Y-6
10Y=2
Y=1/5.