Toán Lớp 5: 12m 5cm=……..m
405m=………..km
7km 105m=……….km
53cm=………m
3hm=……….km
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Toán Lớp 5: 12m 5cm=……..m
405m=………..km
7km 105m=……….km
53cm=………m
3hm=……….km
Comments ( 2 )
$\text{ 5 cm = 0,05 m}$
⇒ $\text{ 12m 5cm = 12 + 0,05 = 12,05 m}$
405m= …..0,405 …km
7km 105m= ..7,105….km
$\text{ 105 m = 0,105 km}$
⇒ $\text{ 7km 105 m = 7 + 0,105 = 7,105 km}$
53cm= .0,53….m
3hm= .0,3…km