3X-2y-[-4x+(y+3x)]-(2x-3y)其中|x+1|+(y+2分之1)的平方=0
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3X-2y-[-4x+(y+3x)]-(2x-3y)其中|x+1|+(y+2分之1)的平方=03X-2y-[-4x+(y+3x)]-(2x-3y)其中|x+1|+(y+2分之1)的平方=03X-2y-
3X-2y-[-4x+(y+3x)]-(2x-3y)其中|x+1|+(y+2分之1)的平方=0
3X-2y-[-4x+(y+3x)]-(2x-3y)其中|x+1|+(y+2分之1)的平方=0
3X-2y-[-4x+(y+3x)]-(2x-3y)其中|x+1|+(y+2分之1)的平方=0
|x+1|+(y+2分之1)的平方=0
x+1=0
y+2分之1=0
x=-1
y=-2分之1
3X-2y-[-4x+(y+3x)]-(2x-3y)
=3X-2y-(-4x+y+3x)-2x+3y
=3X-2y+4x-y-3x-2x+3y
=(3+4-3-2)x+(-2-1+3)y
=2x
=2*(-1)
=-2
|x+1|+(y+2分之1)的平方=0
x=-1 y=-1/2
3X-2y-[-4x+(y+3x)]-(2x-3y)
=3X-2y+4x-y-3x-2x+3y
=2x
=-2
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