Aplicația este accesibilă de pe ecrane late

\frac{5}{11}+\frac{2}{11}=
A: \frac{10}{11}
B: \frac{7}{11}
C: \frac{8}{11}
D: \frac{7}{22}
\frac{4}{21} + \frac{9}{21} =
A: \frac{13}{21}
B: \frac{11}{21}
C: \frac{15}{21}
D: \frac{12}{21}
\frac{3}{10} + \frac{4}{10} =
A: \frac{8}{10}
B: \frac{7}{10}
C: \frac{6}{10}
D: \frac{9}{10}
\frac{7}{13} + \frac{2}{13} =
A: \frac{9}{13}
B: \frac{10}{13}
C: \frac{11}{13}
D: \frac{8}{13}
\frac{2}{19}+\frac{4}{19} + \frac{7}{19} =
A: \frac{6}{19}
B: \frac{14}{19}
C: \frac{11}{19}
D: \frac{13}{19}
\frac{2}{15} + \frac{4}{15}+ \frac{1}{15} =
A: \frac{5}{15}
B: \frac{8}{15}
C: \frac{6}{15}
D: \frac{7}{15}
\frac{2}{29} + \frac{4}{29}+ \frac{5}{29}=
A: \frac{13}{29}
B: \frac{12}{29}
C: \frac{11}{29}
D: \frac{10}{29}