如果a-b=0,则a^4+a^3b+a^2b^2+ab^3+b^4/a^2b^2=

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如果a-b=0,则a^4+a^3b+a^2b^2+ab^3+b^4/a^2b^2=如果a-b=0,则a^4+a^3b+a^2b^2+ab^3+b^4/a^2b^2=如果a-b=0,则a^4+a^3b+

如果a-b=0,则a^4+a^3b+a^2b^2+ab^3+b^4/a^2b^2=
如果a-b=0,则a^4+a^3b+a^2b^2+ab^3+b^4/a^2b^2=

如果a-b=0,则a^4+a^3b+a^2b^2+ab^3+b^4/a^2b^2=
规范的是a=b≠0
那么a^4+a^3b+a^2b^2+ab^3+b^4=5a^4,a^2b^2=a^4
所以(a^4+a^3b+a^2b^2+ab^3+b^4)/a^2b^2=5a^4/a^4=5

(a^4+a^3b+a^2b^2+ab^3+b^4)/a^2b^2=5a^4/a^4=5