4dm2 23cm2= dm2
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a ] 56dm2 =0,56m2 b ] 17dm2 23cm2 =17,13cm2
c ] 23cm2 =0,23dm2 d ] 2 cm2 5mm2 =2,05cm2
k cho mk nha bạn hiền !^-<
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3 m2 62 dm2 = 3,62 m2
4 m2 3 dm2 = 4,03 m3
28 dm2 = 0,28 m2
8 cm2 15 mm2 = 8,15 cm2
29 dm2 23 cm2 = 29,23 dm2
13 dm2 7 cm2 = 13,07 dm2
8 dm2 = 0,08 m2
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8 c m 2 15 m m 2 = 8 , 15 c m 2 17 c m 2 3 m m 2 = 17 , 03 c m 2 9 d m 2 23 c m 2 = 9 , 23 d m 2 13 d m 2 7 c m 2 = 13 , 07 d m 2
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Câu 8:
\(10dm^2=1000cm^2\)
\(500cm^2=5dm^2\)
\(3400cm^2=34dm^2\)
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Vì 4 dm2 = 400 m2
Lấy 400 + 65 = 465
rồi chia 100
Vậy bằng 4,65 dm2
tick nha =)
4223dm
4,23 dm2