Решите пример 7/9+1/3*1,6
1/3*1,6=1/3 * 1 6/10 =1/3*16/5= 1/3 * 8/5 = 8/15 7/9 + 8/15 = (7 × 5 + 8 × 3)/45 = (35 + 24)/45 = 59/45 = 1 14/45
Вот 7.9+1.3*1.6 =14.72