1)8в+12в-21в+в 2)-13с+12с+40с-18с - №22255168

1)8в+12в-21в+в 2)-13с+12с+40с-18с
- Предмет:
  Математика
- Автор:
  lunaqouh
- 5 лет назад

Ответы 2

1)8в+12в-21в+в=20в-20в=0 2)-13с+12с+40с-18с=-с+22с=21с
- Автор:
  raimundobowen
- 5 лет назад
- 0
1)8в+12в-21в+в=20в-21в+в=21в-21в=0Или1)8в+12в-21в+в=8в+12в+(-21в)+в=21в+(-21в)=0
- Автор:
  echohaynes
- 5 лет назад
- 0
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Salt has been used for centuries as a method of preserving foods.
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