найдите сумму двух произведений удобным способом - №23509629

найдите сумму двух произведений удобным способом
- Предмет:
  Математика
- Автор:
  marcus
- 5 лет назад

Ответы 1

1)5·5+5·5=25+25=50(5+5)·5=10·5=502)6·6+6·6=36+36=72(6+6)·6=12·6=72
- Автор:
  harveychan
- 5 лет назад
- 0
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