Дано c=29 bc=15 6/29 найти a b h ac
4/9×3/5×2 1/2 4/9×3/5=4/15 4/15×2 1/2=4/15×5/2=2/3
ac = 13 23/29 = 400/29 b = √141 h = 6082 22/29 = 176400/29 a = 28/4089