Ответы и объяснения

  • June
  • хорошист
2011-01-16T18:38:59+03:00
29\75+5\12-4\75 = 25/75 + 5/12 = 1/3 + 5/12 = 4/12 + 5/12 = 9/12 = 3/4 = 0,75
2011-01-16T18:59:48+03:00