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Aflati cati decimetri sunt in : a) 60 cm, 430 cm , 1990 cm
b) 6 m , 7 m 3 dm , 9 m 8 dm , 6m 80 cm .


Răspuns :

a) 6 dm, 43 dm, 199 dm.

b) 60 dm, 70 dm, 30 dm , 90 dm, 80 dm , 8 dm .

a)  6 dm, 43 dm, 199dm; 
b) 60 dm, 73dm, 98dm, 68dm.