Вычислите.

• Объекты 1
  • \(19\frac{11}{28}-(8\frac{3}{28}-4\frac{6}{28})\)
  • \(19\frac{11}{28}-(8\frac{3}{4}+4\frac{1}{4})\)
  • \(81\frac{11}{30}-(32\frac{5}{30}-4\frac{9}{30})\)
  • \(81\frac{11}{30}-(32\frac{5}{8}+4\frac{3}{8})\)
• Объекты 2
  • \(53\frac{14}{30}\)
  • \(6\frac{11}{28}\)
  • \(44\frac{11}{30}\)
  • \(53\frac{15}{30}\)
  • \(15\frac{14}{28}\)
  • \(44\frac{1}{30}\)
  • \(7\frac{11}{28}\)
  • \(40\frac{11}{30}\)
  • \(54\frac{15}{30}\)