1) 4 целых 4/5 или 24/5
2) (b^2)/(5a)
3) (xy-y)/(x+y)
4) (2a^2 - 2b^2)/(a-b)
5) "<"
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Answers & Comments
1) 4 целых 4/5 или 24/5
2) (b^2)/(5a)
3) (xy-y)/(x+y)
4) (2a^2 - 2b^2)/(a-b)
5) "<"