В коробке 12 больших и 8 маленьких пуговиц. Из них 3 чёрные, 8 желтых, остальные зеленые.

В коробке 12 больших и 8 маленьких пуговиц. Из них 3 чёрные, 8 желтых, остальные зеленые. Сколько зелёных пуговиц в коробке?

Реши задачу тремя способами.

Друзья только я вас прошу не тримя действями а способами способ это например:
I способ
1)......
2)......
3)......
II способ
И так далее до 3 способа
- Предмет:
  Другие предметы
- Автор:
  chance96
- 5 лет назад

Ответы 2

Сказали-же разными способами!!!
- Автор:
  liliana
- 5 лет назад
- 0
12+8=20 (пуг)-всего. 2)3+8=11(пуг)-жёлтых и чёрных вместе3)20-11=9(пуг) зелёныхОтвет:9 пуговец
- Автор:
  brock
- 5 лет назад
- 0
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