Решите срочно!!!! 1) (4 5/11+8 9/11)-(5 7/11-3 8/11)+1 3/11=
(4 5/11+8 9/11)-(5 7/11-3 8/11)+1 3/11 = (49/11+97/11)-(62/11-41/11)+14/11=146/11-21/11+14/11=139/11=12 7/11
(49/11+97/11)-(62/11-41/11)+14/11=146/11-21/11+14/11=139/11=12 7/11