Предмет: Математика, автор: sadigafganovpann1p

в классе из 25 учеников 10 записались в кружок по математике и 8 в кружок по истории. причем трое из этих учеников оказались записанными в оба кружка. сколько человек НЕ записались ни в один кружок

Ответы

Автор ответа: elexion01

0

1)10+8=18

2)25-18=7

Думаю так,правилно илл нет не знаю

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