Составьте сумму выражений х-у+19 и у-х-10 и упростите её. - №10079252

Составьте сумму выражений х-у+19 и у-х-10 и упростите её.
- Предмет:
  Математика
- Автор:
  giannauvua
- 6 лет назад

Ответы 2

(x-y+19)+(y-x-10)=x-y+19+y-x-10 = 19-10 = 9
- Автор:
  kolestephenson
- 6 лет назад
- 0
сумма: х-у+19+у-х-10=9
- Автор:
  morganztwu
- 6 лет назад
- 0
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