Question

Решите уравения 1/2 : 13 = 1/3x : 4 1/3

Answer 1

1/2:13=1/3х:4.1/3
1/2:13=1/26
1/26=1/3х:4.1/3
1/3х=1/26*4.1/3
1/3х=1/26*13/3
1/3х=1/6
х=1/6:1/3
х=3/6
х=1/2