2/8 : 1 7/15 · 3 2/3 = 5/8
1) 2/8 : 1 7/15 = 2/8 : 22/15 = 2/8 · 15/22 = (1·15)/(8·11) = 15/88
2) 3 2/3 = 11/3 · 15/88 = (1·5)/(1·8) = 5/8
ответ: А) 5/8.
2/8 : 1 7/15 · 3 2/3 = 5/8
1) 2/8 : 1 7/15 = 2/8 : 22/15 = 2/8 · 15/22 = (1·15)/(8·11) = 15/88
2) 3 2/3 = 11/3 · 15/88 = (1·5)/(1·8) = 5/8
ответ: А) 5/8.