831. 3) = 7 - 1/ 1/5 = 7-5= 2
832. 3) = 1+ 1/ 1-1/ 1+3\2 = 1+ 1/ 1 - 1/ 5/2 = 1+ 1/ 1- 2/5 = 1+ 1/ 3/5= 1+ 5/3 = 8/3 = 2 2/3
833. 3) = 5/ 7+ 9/ 6+ 5/ 5+ 8/ 24/5 = 5/ 7+ 9/ 6+ 5/ 5+ 40/24 = 5/ 7+ 9/ 6+ 5/ 160/24 = 5/ 7+9/ 6+120/160 = 5/ 7+9/ 1080/160 = 5/ 7+ 1440/1080 = 5/ 9000/1080 = 5400/9000 = 6