Находим значение выражения по действиям.1)4 11/48×6/7-1 4/9 = 2 44/63. 1) 4 11/48*6/7=203/48*6/7=29/7*1/1=29/7; 2) 29/7-1 4/9=4 1/7 - 1 4/9=(4-1)+(1/7-4/9)=3+(9/63-28/63)=2+(72/63-28/63)=2 44/63.2)(2/3+5/8-11/12)×5 1/3=2. 1)2/3+5/8= (16+15)/24=31/24=1 7/24. 2) 1 7/24 - 11/12=1+(7/24 - 11/12)=1 + (7/24-22/24)=31/24-22/24=9/24=3/8. 3) 3/8*5 1/3=3/8*16/3=2. 3)15 4/7-4 3/8×(1 3/7-34/35)=13 4/7. 1)1 3/7-34/35=10/7-34/35=(50-34)/35=16/35. 2) 4 3/8*16/35=35/8*16/35=2. 3) 15 4/7 - 2=13 4/7.