8 3/11- 7 5/11 помогите
8 3/11 - 7 5/11 = 7 14/11 - 7 5/11 = 9/11
8 3/11 -7 5/11=7( 11/11 + 3/11) - 7 5/11= 7 14/11 -7 5/11 = 9/11