Предмет: Математика, автор: kaplunova04

311 помагите решить пожалуйста

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Автор ответа: TaShah

0

2000см2=2дм2
3ч10мин=190 мин
45ц=4500кг
23т=23000кг
600с=10мин
23км=23000м

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