найдите значения выражения (4-14/33*1 1/21)*5 5/8

(4 - 14/33 * 1 1/21) * 5 5/8 = 20
1) 14/33 * 1 1/21 = 14/33 * 22/21 = 2/3 * 2/3 = 4/9
2) 4 - 4/9 = 3 9/9 - 4/9 = 3 5/9
3) 3 5/9 * 5 5/8 = 32/9 * 45/8 = 4/1 * 5/1 = 20