Раскройте скобки и упростите. Найдите его значение. а) 5х - (2+3х) при х= -0,5 б) -4y+ (-y+5) - Дата: 02.07.2019, Автор: kingbouq - №32179144

Раскройте скобки и упростите. Найдите его значение.
а) 5х - (2+3х) при х= -0,5
б) -4y+ (-y+5) при y-= 0,2
- Предмет:
  Математика
- Автор:
  kingbouq
- 5 лет назад

Ответы 2

спасибо
- Автор:
  jonas410
- 5 лет назад
- 0
a)5x-2-3x=2x-2 2×(-0,5)-2=-3б)-4y-y+5=-5y+5 -5×0,2+5=4
- Автор:
  zander279
- 5 лет назад
- 0
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