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calculati:
9 3/4+3 1/6


Răspuns :

9 3/4=( 9*4+3)/4=(36+3)/4=39/4
3 1/6=(3*6+1)/6=(18+1)/6=19/6
39/4+19/6=(39*3)/12+ (19*2)/12 am adus la acelas numitor
117/12+38/12=155/12