Предмет: Математика, автор: Иван11111111111111я

xy+y-x=0 найдите все значения у

Ответы

Автор ответа: IvahHolod
0
Произведение равно 0, если один из множителей равен 0. Значит, значения y=0.
Автор ответа: Иван11111111111111я
0
спасибо
Автор ответа: Helenn2
0
ху+у-х=0
ху=х-у

Значит разность чисел равна их произведению. то могут быть числа 0,5 и 1. С учетом знаков это пары чисел:
х=1 у=0,5
х= -0,5  у=-1
Ответ: у может быть равен 0,5  и  -1.

Так у меня получилось
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