Question

PROSZE O POMOC BARDZO PILNE NA DZIS!! DAJE 20 PUNKTOW
Ile to cm?
20mm, 6mm, 5dm, 4,2dm, 7m, 1,3m, 12m, 7km, 6km 30m, 1km 20m 40dm.

Ile to dm?
30cm, 4cm, 3m, 0,06m, 5km, 4km 30cm.

Ile to m?
307cm, 5cm, 12mm, 20dm, 3km, 0,02km, 4km 250m, 9,2km.

Answer 1

20mm = 2cm,
 6mm = 0,2cm,
 5dm = 50cm,
 4,2dm = 42cm,
 7m = 700cm,
 1,3m = 130cm,
 12m = 1200cm,
 7km = 700000cm,
 6km 30m = 603000cm,
1km 20m 40dm = 104200cm

.30cm = 3dm,
 4cm = 0,4dm,
 3m = 30dm,
 0,06m = 0,6dm,
 5km = 500dm,
 4km 30cm = 403dm

307cm = 3,07m,
 5cm = 0,05m,
 12mm = 0,012m,
 20dm = 2m,
 3km = 3000m,
 0,02km = 20m,
 4km 250m = 4250m,
9,2km = 9200m

Answer 2

20 mm to 0,20cm....... 6mm to 0,06.......
5dm to 50cm...... 4,2 to 42 cm......
7m to 700 cm..... 1,3m to 130cm...
12m to 1200cm...... 7km to 7000cm. ...
6km i 30m to 6300cm.... 1km i 20m to 1200cm.... 40 dm to 400 cm zara dokonicze