bài 1 1050g= ......kg ..........g 35mm=............m
27kg = .........tấn 350m2 =......km2 179mm2= ............dm2 240cm2= .......dm2 .........cm2
bài 2 : >,<,=32m 4dm .... 32m 35cm 7cm2 97 mm2 ..... 8cm2
4tấn 50kg .....4050kg 2012m2 ........1km2
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