( 1 ) ( 140 - 90)
3. Сравните.
6 м 7 см ... 6 м7 дм 3 т... 300 ц
9 км 3 м... 9 030 м 4 т6ц... 4 т 550 кг
40 а... 4 000 м2 8 ц 2 кг ... 82 кг
4. Решите примеры.
8 600 - 100
6 000:1 000
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