Giải thích các bước giải:
`a)` Ta có: `3700 cm² = 37 dm²`
`37 dm² < 370 dm²`
$\text{⇒ 3700 cm² < 370 dm².}$
$\text{b) Ta có: 64 km² = 6400 hm² = 6400 ha.}$
$\text{→ 6400 ha = 6400 ha.}$
$\text{⇒ 64 km² = 6400 ha.}$
$\text{c) Ta có: 5 dm² 5 cm² = 505 cm².}$
$\text{→ 505cm² = 505 cm².}$
$\text{⇒ 5 dm² 5 cm² = 505 cm².}$
$\text{d) Ta có: 3cm² 17mm² = 3 $\dfrac{17}{100}$ cm².}$
$\text{→ 3 $\dfrac{17}{100}$ cm² > 3 $\dfrac{17}{1000}$ cm².}$
$\text{⇒ 3 cm² 17 mm² > 3 $\dfrac{17}{1000}$ cm².}$