3целых3/7+1целая3/14*(8целых3/5-1целая3/5)=

3целых3/7+1целая3/14*(8целых3/5-1целая3/5)= 11 целых 13/14.1) 8 3/ 5 - 1 3 /5 = 7 + 3 /5 - 3/ 5 = 7 + 3 - 3 /5 = 7;2) 1 3/ 14 × 7 = 3 + 1·14/ 14 × 7 = 17 /14 × 7 = 17·7 /14 = 119 /14 = 17·7/ 2·7 = 17/ 2 = 1 + 8·2/ 2 = 8 1 /2 ;3) 3 3/ 7 + 8 1 /2 = 11 + 3/ 7 + 1/ 2 = 11 + 3·2/ 7·2 + 1·7/ 2·7 = 11 + 6 /14 + 7 /14 = 11 + 6 + 7/ 14 = 11 13/ 14 ;