Автор - lazarexosruashvili
Ответ:
(3 /12 : 4 2/3 + 4 2/3 :3 1/2) x 4 /45 = 140/1629
1) 3/13 : 4 2/3 = 3/13 • 3/14 = 9/182
2) 4 2/3 : 3 1/2 = 14/2 • 2/7 = 2
3) 9/182 + 2 = 2 9/182
4) 2 9/182 • 4/45 = 175/181 • 4/45 = 35/181 • 4/9 = 140/1629