Вопрос школьника по предмету Математика
Вырази: в квадратных миллиметрах 1 м 2. 9 дм (в квадрате). 87 дм (в квадрате). 102 см (в квадрате). 6 см (в квадрате). 69 см (в квадрате)
Ответ учителя по предмету Математика
Пошаговое объяснение:
Выразить в мм²
1) 1 м²= 1 000 000 мм²
2) 9 дм²
1 дм²= 10000 мм²
9 дм²= 9*10000=90000 мм²
3) 87 дм²
1 дм²= 10000 мм²
87 дм²= 87 * 10000=870 000 мм²
4) 102 см²
1 см²= 100 мм²
102 см²= 102 * 100= 10 200 мм²
5) 6 см²= 6*100=600 мм²
5) 69 см²= 69*100=6900 мм²
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сочинение рассуждение.
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