odpowiedzi z matematyki klasa 6

14km w 2h ......km w 1h predkosc =....... km/h
16m w 20s ......m w 1 min predkosc =..... m/min
9km w 15min ......km w 1h predkosc =........km/h
500m w 4min ......m w 1 min predkosc = ........m/min
3oom w 12s ......m w 1s predkosc =......m/s
1000m w 12min ......km w 1h predkosc =........km/h

14km w 2h 7km w 1h predkosc = 7km/h

itd.