(7/12 - 1/3) · 16/19 = 4/19
1) 7/12 - 1/3 = 7/12 - 4/12 = 3/12 = 1/4
2) 1/4 · 16/19 = (1·4)/(1·19) = 4/19
ответ: 4/19.
(7/12 - 1/3) · 16/19 = 4/19
1) 7/12 - 1/3 = 7/12 - 4/12 = 3/12 = 1/4
2) 1/4 · 16/19 = (1·4)/(1·19) = 4/19
ответ: 4/19.