x2+x+y2/x+y
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x2+x+y2/x+yx2+x+y2/x+yx2+x+y2/x+yx2是x^2?y2是y^2?原来的式子是(x^2+x+y^2)----------------(x+y)还是我理解错了?x2+x+y2
x2+x+y2/x+y
x2+x+y2/x+y
x2+x+y2/x+y
x2是x^2?
y2是y^2?
原来的式子是(x^2+x+y^2)
----------------
(x+y)
还是我理解错了?
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