Question

решите уравнение y:8,4=11/8:63/4

Answer 1

у:8.4=11/8:63/4;
y/8.4=11/8:63/4;
1/8.4*y=11/126;
10/84*y=11/126;
y=11/126:10/84;
y=11/15;
Ответ:11/15.