2m^2x-3·n^1/2-3y与-3m^1/3-4x·n^1/2y+4是同类项,那么x^2-y^2=
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![2m^2x-3·n^1/2-3y与-3m^1/3-4x·n^1/2y+4是同类项,那么x^2-y^2=](/uploads/image/z/816590-38-0.jpg?t=2m%5E2x-3%C2%B7n%5E1%2F2-3y%E4%B8%8E-3m%5E1%2F3-4x%C2%B7n%5E1%2F2y%2B4%E6%98%AF%E5%90%8C%E7%B1%BB%E9%A1%B9%2C%E9%82%A3%E4%B9%88x%5E2-y%5E2%3D)
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2m^2x-3·n^1/2-3y与-3m^1/3-4x·n^1/2y+4是同类项,那么x^2-y^2=
2m^2x-3·n^1/2-3y与-3m^1/3-4x·n^1/2y+4是同类项,那么x^2-y^2=
2m^2x-3·n^1/2-3y与-3m^1/3-4x·n^1/2y+4是同类项,那么x^2-y^2=
∵2m^2x-3·n^1/2-3y与-3m^1/3-4x·n^1/2y+4是同类项
∴2x=1/3 1/2-3y=1/2y+4
解得x=1/6 -7/2y=7/2 y=-1
x²-y²=(1/6)²-(-1)²=1/36-1=-35/36