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5/12 : ( 1/3 - 1/2 ) + 1/6 =

Răspuns :

5/12:(1/3-1/2)+1/6=5/12:(2/6-3/6)+1/6=5/12:(-1/6)+1/6=5/12·(-6)+1/6= -5/2+1/6=-15+1/6=-14/6=-7/3