Предмет: Математика, автор: zarina20052

сколько мм в 52 см? 23 дм? 2 м 34 см?

Ответы

Автор ответа: uh19

0

1 см = 10 мм

1 дм = 100 мм

1 м = 1 000 мм

..............................

52 см = 52 * 10 = 520 мм

23 дм = 23 * 100 = 2 300 мм

2 м 34 см = 2 * 1 000 + 34 * 10 = 2 000 + 340 = 2 340 мм

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