Контрольные задания
Вопрос:

Вычислите: 1) 14/27 + 2/27; 2) 11/35 + 12/35; 3) 17/60 + 12/60; 4) 32/55 + 23/55; 5) 5/33 + 6/33; 6) 12/48 + 12/48; 7) 1/2 + 1/3; 8) 1/3 + 1/4; 9) 1/3 + 1/6; 10) 1/10 + 7/100; 11) 3/5 + 9/10; 12) 2/3 + 5/6; 13) 15/24 + 3/8; 14) 7/6 + 16/18; 15) 1/12 + 1/6; 16) 1/4 + 1/8; 17) 1/2 + 3/10; 18) 3/36 + 7/9; 19) 2/5 + 3/20; 20) 1/6 + 5/12; 21) 11/49 + 6/7; 22) 13/24 + 5/8; 23) 3/8 + 6/32; 24) 6/120 + 3/20; 25) 9/16 + 50/100; 26) 1/6 + 1/9; 27) 2/9 + 5/6; 28) 2/9 + 3/8; 29) 2/10 + 6/15; 30) 3/10 + 2/12; 31) 5/12 + 4/15; 32) 3/4 + 5/18.

Фото задания: Вычислите: 1) 14/27 + 2/27; 2) 11/35 + 12/35; 3) 17/60 + 12/60; 4) 32/55 + 23/55; 5) 5/33 + 6/33; 6) 12/48 + 12/48; 7) 1/2…Фото задания

Ответ:

  1. \(\frac{14}{27}+\frac{2}{27}=\frac{16}{27}\).
  2. \(\frac{11}{35}+\frac{12}{35}=\frac{23}{35}\).
  3. \(\frac{17}{60}+\frac{12}{60}=\frac{29}{60}\).
  4. \(\frac{32}{55}+\frac{23}{55}=1\).
  5. \(\frac{5}{33}+\frac{6}{33}=\frac{1}{3}\).
  6. \(\frac{12}{48}+\frac{12}{48}=\frac{1}{2}\).
  7. \(\frac{1}{2}+\frac{1}{3}=\frac{5}{6}\).
  8. \(\frac{1}{3}+\frac{1}{4}=\frac{7}{12}\).
  9. \(\frac{1}{3}+\frac{1}{6}=\frac{1}{2}\).
  10. \(\frac{1}{10}+\frac{7}{100}=\frac{17}{100}\).
  11. \(\frac{3}{5}+\frac{9}{10}=\frac{3}{2}\).
  12. \(\frac{2}{3}+\frac{5}{6}=\frac{3}{2}\).
  13. \(\frac{15}{24}+\frac{3}{8}=\frac{5}{4}\).
  14. \(\frac{7}{6}+\frac{16}{18}=\frac{25}{9}\).
  15. \(\frac{1}{12}+\frac{1}{6}=\frac{1}{4}\).
  16. \(\frac{1}{4}+\frac{1}{8}=\frac{3}{8}\).
  17. \(\frac{1}{2}+\frac{3}{10}=\frac{4}{5}\).
  18. \(\frac{3}{36}+\frac{7}{9}=\frac{5}{6}\).
  19. \(\frac{2}{5}+\frac{3}{20}=\frac{11}{20}\).
  20. \(\frac{1}{6}+\frac{5}{12}=\frac{7}{12}\).
  21. \(\frac{11}{49}+\frac{6}{7}=\frac{53}{49}\).
  22. \(\frac{13}{24}+\frac{5}{8}=\frac{7}{6}\).
  23. \(\frac{3}{8}+\frac{6}{32}=\frac{9}{16}\).
  24. \(\frac{6}{120}+\frac{3}{20}=\frac{1}{5}\).
  25. \(\frac{9}{16}+\frac{50}{100}=\frac{17}{16}\).
  26. \(\frac{1}{6}+\frac{1}{9}=\frac{5}{18}\).
  27. \(\frac{2}{9}+\frac{5}{6}=\frac{19}{18}\).
  28. \(\frac{2}{9}+\frac{3}{8}=\frac{43}{72}\).
  29. \(\frac{2}{10}+\frac{6}{15}=\frac{3}{5}\).
  30. \(\frac{3}{10}+\frac{2}{12}=\frac{7}{15}\).
  31. \(\frac{5}{12}+\frac{4}{15}=\frac{41}{60}\).
  32. \(\frac{3}{4}+\frac{5}{18}=\frac{37}{36}\).