96.96:9.6= 10.1
51-3.3=47.7
47.7*10.1=481.77
481.77*1.8=867.186
867.186+62.3=929.486
7/8 =63/72=126/144=189/216
8/9 = 64/72=128/144=192/216
7/8 < 190/216 и 191/216 < 8/9
Ответ: 190/216; 191/216
1) 120/100=1.2
2) 1.2*15=18
3) 120-18=102р
3/7 * (- 1 1/6) = 3/7 * ( - 7/6) = - 21/42 = - 1/2 = 0,5