Вопрос школьника по предмету Математика
У скольких трёхзначных чисел сумма цифр равна 2. Ответ: у 3-х; у 1-го; у 2-х; у 4-х чисел
Ответ учителя по предмету Математика
Сумма может быть равной двум при 2+0+0, значит в числе будет одна двойка и два нуля. И 1+1+0. 200, 110, 101. Ответ: в трех числах.
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