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a fost răspuns

sa se exprime in decametri urmatoarele masuri de lungimi:
a) 2300 m; b) 25 hm; c) 114 dm ;
e) 7400 mm; f) 4000 cm; d) 8,5 km

Răspuns :

a)2300m =2300: 10 =230 dam
b) 25hm =25*10 =250 dam
c) 114dm =114 :10^2 =114: 100 =1.4 dam
d)8.5 km =8.5*10^2 =8.5 *100 =850 dam
e)7400 mm =7400: 10^4 =7400: 10000 =0.74 dam
f) 4000cm =4000:10^3 =4000:1000 =4 dam

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