Решите уравнение
1) 3/8 = 5цел5/8
2)x : 1цел 1/2 = 2цел 1/3 * 1/3
3)x+3/8x = 1/4
4)x:51.6 = 11,2:34.4

2) х : 1 1/2 = 2 1/3 *1/3
   х : 1 1/2 = 7/9
   х = 7/9 * 1 1/2
    х = 1 1/6

3) х + 3/8х = 1/4
    1 3/8х = 1/4
    х = 1/4 : 1 3/8
    х = 2/11