Ответ учителя по предмету Математика
1)Найдем, сколько куб м. воды он израсходовал с 1я по 1ф:
133-128=5 куб м
2)Рассчитаем, сколько он должен заплатить:
9 р. 40 коп= 9,4 р
5×9,4= 47 р
Ответ: 47 рублей
1)Найдем, сколько куб м. воды он израсходовал с 1я по 1ф:
133-128=5 куб м
2)Рассчитаем, сколько он должен заплатить:
9 р. 40 коп= 9,4 р
5×9,4= 47 р
Ответ: 47 рублей
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