(e-4 8/11)+1 9/11=7 3/11
решите пожалуйста! 

(10 2/11 - 4 8/11)+1 9 /11 = 7 3 / 1110 2/11 - 4 8/11 = 5 4/11 + 1 9/11 = 7 3/11

(e-4 8/11)+1 9/11=7 3/11е - 4 8/11 = 7 3/11 - 1 9/11е - 52/11 = 80/11 - 20/11е - 52/11 = 60/11е = 60/11 + 52/11е = 112/11е = 10  2/11-------------------------------------------(10  2/11  -  4 8/11) + 1  9/11  = 7  3/11(112/11 - 52/11) + 20/11 = 80/1160/11 + 20/11 = 80/1180/11 = 80/117  3/11 = 7  3/11