Предмет: Математика, автор: olieinichienko

Решите используя в каждом случае 4 раза 7 знаки арифметических действий и если надо скобки составьте 5 выражений со значениями 5 6 7 8 9

Ответы

Автор ответа: maxim9406

7-(7+7):7=5
(7×7-7):7=6
(7-7)×7+7=7
(7×7+7):7=8
(7+7):7+7=9

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