Предмет: Информатика, автор: kmdnc

вычислите с пояснением, пожалуйста

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Автор ответа: Lost321

0

-424₇+-143₇=Cкладываем 3+4=7 в семеричной системе семёрки нету поэтому пишем 0 а 1 в уме. 2+4=6+1=7 0 пишем 1 в уме. 4+1=5+1=6 и ответ:600₇

Автор ответа: kmdnc

0

а правило знаков + +=- и - -=+. знак большего и все такое?

Автор ответа: kmdnc

0

а правило знаков + +=- и - -=+. знак большего и все такое?

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