6. Uzupełnij:
[tex]a) \frac{1}{2} cm=5mm~~~~\frac{1}{5}m=20cm~~~~~~~\frac{1}{4}km=250m\\\\7\frac{1}{2}cm=74mm~~~~3\frac{1}{5}m=320cm~~~~3\frac{1}{4}km=3250m\\\\b) \frac{1}{2}kg=50dag~~~~\frac{1}{10}kg=100g~~~~~~~\frac{1}{2}t=500kg\\\\6\frac{1}{2}kg=650dag~~~~5\frac{1}{10}kg=5100g~~~~30\frac{1}{2}t=30500kg[/tex]
7. Uzupełnij:
[tex]a)\frac{1}{3}~godziny~to~20~minut~~~~~~c)\frac{1}{2}~minuty~to~30~sekund\\\\~~~~1\frac{1}{3}~godziny~to~80~minut~~~~~~~2\frac{1}{2}~minuty~to~150~sekund\\\\b)\frac{1}{4}~doby~to~6~godzin~~~~~~~~~~~d)\frac{1}{3}~kwadransa~to~5~minut\\\\~~~~2\frac{1}{4}~doby~to~54~godziny~~~~~~~~~4\frac{1}{3}~kwadransa~to~65~minut[/tex]
