Предмет: Математика, автор: pakacaolga

Решите задачу пожалуйста!!!!!!!!!!
За завтраком, обедом и ужином был съеден один батон хлеба. за завтраком съели 2/9, а за обедом - 5/18 батона. Когда съели больше за завтраком или за обедом? Какую часть батона съели за завтраком и за обедом? Какая часть батона осталась на ужин? ( / обозначает дробь)

Ответы

Автор ответа: Снежана003

0

1целая=18/18это целый батон. Приводим к общему множ. 18/18-(2/9×2)=14/18-съели за завтроаком. 18/18-5/18=13/18-съели за обедом. 14/18-13/18=1/18-осталась на ужин. Вывод: 1 вопр. -за завтроком съели больше, чем за обедом. 2 вопр. за завтраком 14/18, за обедом 13/18. 3 вопр. 1/18 батона ост. на ужин. Думаю что так.

Автор ответа: pakacaolga

0

прости я случайно не тб лучший ответ отправила

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