Bài 2. Viết số thích hợp vào chỗ chấm:
1m2 23dm2 = .............dm2 = ..................cm2 2m2 10dm2 =..............dm2 =....................cm2 3m2 5dm2 = ................dm2 = ..................cm2 | 234dm2 = ...............m2 .................dm2 23400 cm2 = ....................m2 ...............dm2 120dm2 = ................m2 ..............dm2 |
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