题文
(1)25dm2= cm2 (2)70km2= m2
(3)4300t= kg (4)530L﹣53000mL= L
(5)68000g+320kg= g.
(1)25dm2= cm2 (2)70km2= m2
(3)4300t= kg (4)530L﹣53000mL= L
(5)68000g+320kg= g.
试题篮
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