将代数式5/2 x^y+x^y-5xy^/2合并同类项5/2 x^y+(x^y-5xy^)/2

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将代数式5/2 x^y+x^y-5xy^/2合并同类项5/2 x^y+(x^y-5xy^)/2
x){ϦnxTH"RuM+*Nxs =7~p'L=05t$fXN l4L`a[ &9P@&_\gu

将代数式5/2 x^y+x^y-5xy^/2合并同类项5/2 x^y+(x^y-5xy^)/2
将代数式5/2 x^y+x^y-5xy^/2合并同类项
5/2 x^y+(x^y-5xy^)/2

将代数式5/2 x^y+x^y-5xy^/2合并同类项5/2 x^y+(x^y-5xy^)/2
5/2 x^y+x^y-5xy^/2
=(5/2+1)x^y-5xy^/2
=7x^y/2-5xy^/2

5/2 x^y+x^y-5xy^/2
=7/2 x^y+-5xy^/2

5/2 x^y+x^y-5xy^/2
=(5/2+1-5/2)x^y
=x^y