1)3-(20/27+14/27)= 2)5-(19/22-9/22)= 3)4-(17/25+11\25) 4)8-(39/40-14/40

1) 3-(20/27+14/27)=3/1-34/27=81/27-34/27=47/27=1 целая 20/27 2) 5-(19/22-9/22)=5/1-10/22=110/22-10/22=100/22=4 целых 12/22 3)4-(17/25+1125)=4/1-28/25=100/25-28/25=72/25=2 целых 22/25 4)8-(39/40-14/40)=8/1-25/40=320/40-25/40=275/40=6 целых 35/40