сократите дробь.
35+28/35-28; 75-33/75+33; 24+3/24-3; 15+6/15-6; 12-3/12+3; 26+2/26-2

35+28 / 35-28 = 7*(5+4) / 7*(5-4) = 5+4 / 5-4 = 9/1 = 975-33 / 75+33 = 3*(25-11) / 3*(25+11) = 25-11 / 25+11 = 14/36 = 7/1824+3 / 24-3 = 3*(8+1) / 3*(8-1) = 9/715+6 / 15-6 = 3*(5+2) / 3*(3-2) = 5+2 / 3-2 = 7/1 = 712-3 / 12+3 = 3*(4-1) / 3*(4+1) = 3/526+2 / 26-2 = 2*(13+1) / 2*(13-1) = 14/12