Ответ:
17 3/15- 8 7/20 +(9 11/15-( 2 1/15-1 37/90)) -1 17/60=17 3/15 - 8 7/20 +9 11/15-2 1/15 +1 37/90 -1 17/60=(17 3/15+9 11/15 -2 1/15) -(8 7/20+ 1 17/60) +1 37/90=
=24 13/15 - 9 (21+17)/60 + 1 37/90=24 13/15 -9 38/60 + 1 37/90=24 13/15 -
-9 19/30 +1 37/90= 16 (13*6-19*3+1)/90=16 (78-57+37)/90=16 58/90=16 29/45 нет
Пошаговое объяснение: