Question

Выполните действия
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Answer 1

Ответ:

а) 2x/3a - 5y/3a = (2x-5y)/3a

б) 3/x + (x-3)/x+5 = (3(x+5)+x(x-3))/x(x+5) =

(3x+15+x²-3x)/x(x+5) = (x²+15)/x(x+5)