Bună! ⭐
_________
[tex]a) \frac{1}{18} +^{2)} \frac{1}{9} +^{3)} \frac{1}{6} =[/tex]
[tex]= \frac{1+2+3}{18} =[/tex]
[tex]=\frac{6}{18} ^{(6} =\frac{1}{3}[/tex]
_________
[tex]b) \frac{7}{36} -^{2)} \frac{1}{18} +^{9)} \frac{3}{4} =[/tex]
[tex]=\frac{7-2+27}{36} =[/tex]
[tex]=\frac{32}{36} ^{(4} =\frac{8}{9}[/tex]
_________
[tex]c) ^{2)} \frac{37}{18} -^{9)} \frac{3}{4} -^{6)} \frac{5}{6}=[/tex]
[tex]=\frac{74-27-30}{36} =[/tex]
[tex]=\frac{74-57}{36} =[/tex]
[tex]=\frac{17}{36}[/tex]
_________
[tex]d) \frac{11}{18} -^{2)} \frac{4}{9} +^{3)} \frac{5}{6} -^{6)} \frac{1}{3}=[/tex]
[tex]=\frac{11-8+15-6}{18} =[/tex]
[tex]=\frac{12}{18} ^{(6} =\frac{2}{3}[/tex]
