2 tan 347 kg = .........kg 4215 kg = ....tan .......kg
4 tan 5 kg = ..........kg 659 kg = .......ta ........kg
\(\frac{3}{5}m^2=....cm^2\) \(\frac{4}{5}km^2=........m^2\) 2 gio 15 phut = ........phut \(\frac{2}{5}phut=...........giay\)
12 ta 4 yen = ........yen 46723 g = .......kg .......g