化简:2-【2(x+3y)-3(x-2y)】
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化简:2-【2(x+3y)-3(x-2y)】化简:2-【2(x+3y)-3(x-2y)】化简:2-【2(x+3y)-3(x-2y)】2-[2(x+3y)-3(x-2y)]=2-[2x+6y-3x+6y
化简:2-【2(x+3y)-3(x-2y)】
化简:2-【2(x+3y)-3(x-2y)】
化简:2-【2(x+3y)-3(x-2y)】
2-[2(x+3y)-3(x-2y)]
=2-[2x+6y-3x+6y]
=2-(-x+12y)
=x-12y+2
幸好不是高中数学,哈哈,不然我可搞不出来.
2-[2(x+3y)-3(x-2y)]
=2-[2x+6y-3x+6y]
=2-(x+12y)
=-x-12y+2
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