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Calculati : 3/5*(1/4+1/6)

Răspuns :

3 / 5 x ( 1 / 4 + 1 / 6 ) = 

= 3 / 5 x ( 9 / 36 + 6 / 36 )

= 3 / 5 x 15 / 36

= 3 / 12