Ответ:
Объяснение:
1) x+y/7
2) a-b/5
3) 2m+3m-6+m/6=6m-6/6=m-1
4) 3x-3x-1/3x-6=-1/3x-6
5) x^2+xy+xy+y^2/x^2-y^2*x^2-y^2/2xy=x^2+2xy+y^2/x^2-y^2*x^2-y^2/2xy=(x+y)^2/2xy
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Answers & Comments
Ответ:
Объяснение:
1) x+y/7
2) a-b/5
3) 2m+3m-6+m/6=6m-6/6=m-1
4) 3x-3x-1/3x-6=-1/3x-6
5) x^2+xy+xy+y^2/x^2-y^2*x^2-y^2/2xy=x^2+2xy+y^2/x^2-y^2*x^2-y^2/2xy=(x+y)^2/2xy