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Utilizati o singura unitate de masura,pentru a exprima:
a) 3,15m+23cm+8mm
b) 12,321 km+17,679hm+309m
c)0,01m+0,09dm+0,001km


Răspuns :

a. 315 cm + 23 cm + 0.8 cm  = 338.8 cm
b. 12321 m + 1767,9 m + 309 m = 14397.9 m 
c. 0.01 m + 0.009 m + 1 m = 1.019 m