[tex] \frac{37}{18} - \frac{3}{4} - \frac{5}{6} = \\ \\ \frac{11}{18} - \frac{4}{9} + \frac{5}{6} - \frac{1}{3} = [/tex]
Va rog dau coroana !!


Răspuns :

37/18 - 3/4 - 5/6 =

= 37×2/36 - 3×9/36 - 5×6/36 =

= 74/36 - 27/36 - 30/36 =

= 17/36


11/18 - 4/9 +5/6 - 1/3 =

= 11/18 - 4×2/18 + 5×3/18 - 6/18 =

= 11/18 - 8/18 + 15/18 - 6/18 =

= 3/18 + 15/18 - 6/18 =

= 12/18 =

= 2/3
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