Calculeaza :

a . 3 x 6 km = ? hm

b. 300 dam : 3 = ? m

c . 522 km : 9 = ?m

d . 7 x 40 dm = ? m

e . 700 cm - 70 mm = ? cm

f . 980 dam - 90 m = ? dam

Mulțumesc frumos ! :)

2
Este vorba despre multiplii si submultiplii metrului

Răspunsuri

2014-05-23T09:39:20+03:00
A . 3 x 6 km = 3x60hm=180  hm
 b. 300 dam : 3 = 3000m:3=1000 m 
c . 522 km :  9 = 522000m:9=58000m 
d . 7 x 40 dm = 7x4=28 m 
e . 700 cm - 70 mm = 700cm-7cm=693 cm
 f . 980 dam - 90 m = 980dam-9dam=971 dam 
1 3 1
2014-05-23T09:44:46+03:00
A.  3 x 6 km =18 km=180 hm
b. 3oo dam :3 =100 dam=1ooo m
c. 522 km : 9 =58 km =58000 m
d. 7 x 40 dam = 280 dam =2800 m
e. 700 cm -70 mm =700 cm -7 cm =693 cm
f. 980 dam -90 m =980 dam - 9 dam =971 dam