Question

Số?

1 km = ..?.. m                                          ..?.. m = 1 km

1 m = ..?.. dm                                          ..?.. dm = 1 m

1 m = ..?.. cm                                          ..?.. cm = 1 dm

Answer 1

1 km = 1 000 m                                   1 000 m = 1 km

1 m = 10 dm                                        10 dm = 1 m

1 m = 100 cm                                      10 cm = 1 dm