x-(30+20)=20 помогите - №14523913

x-(30+20)=20 помогите
- Предмет:
  Математика
- Автор:
  madden
- 6 лет назад

Ответы 2

х-30-20=20
х=20+30+20
х=70
Ответ : 70
- Автор:
  stuart
- 6 лет назад
- 0
X-(30+20)=20
х-50=20
х=20+50
х=70
- Автор:
  absalónmiller
- 6 лет назад
- 0
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