5.Efectuati adunarile:
a)[tex]\frac{3}{5} +\frac{1}{10} +\frac{7}{6} +\frac{4}{5}[/tex]
b)[tex]\frac{2}{3} +\frac{1}{6} +\frac{5}{8} +\frac{11}{12}[/tex]
c)[tex]\frac{4}{18} +\frac{3}{4}+\frac{1}{9} +\frac{5}{6}[/tex]
d)[tex]\frac{5}{21}+\frac{6}{7} +\frac{5}{42} +\frac{9}{14}[/tex]
e)[tex]\frac{1}{10} +\frac{7}{12}+\frac{1}{15}+\frac{4}{30}[/tex]
f)[tex]\frac{5}{36} +\frac{1}{18}+\frac{3}{24}+\frac{1}{4}[/tex]
g)[tex]\frac{12}{4}+\frac{5}{24}+\frac{11}{8}+\frac{1}{6}[/tex]
h)[tex]\frac{7}{48}+\frac{5}{18}+\frac{10}{36}+\frac{14}{12}[/tex]
Repede!! Ofer o coroana si 5 stele pentru un raspuns bun!