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3/4 +1/3 - (1 - 0,5) = / = supra


Răspuns :

3/4 + 1/3 - 5/10 = aducem la numitorul comun  60 = 45/60 + 20/60 - 30/60 = 
35/60 = 7/12 = 0,58(3) 
[tex] =\frac{3}{4} + \frac{1}{3} - \frac{1}{2} = \frac{(9+4-6)}{12} = \frac{7}{12} [/tex]