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b calculati 5 supra 6 plus 5 supra 3 minus1 si 1supra 18​

Răspuns :

Răspuns:

[tex]\frac{5}{6} +\frac{5}{3} -1\frac{1}{18} =[/tex] ³⁾5/6+⁶⁾5/3-19/18=15/18+30/18-19/18=26/18=13/9