(2/3-1 1/24)×5 1/3+4 3/8:2 5/8
(2/3-1 1/24)*5 1/3+4 3/8:2 5/8 (2/3-1/24)*5 1/3+4 3/8*1/2*5/8 5/8*5*1/3+2*3/8*5/8 25/24+3/4*5/8 25/24+15/32 145/96 1 49/96 или ≈1,51