13 5/18
Объяснение:
13 19/36 - 1/4 = 487/36 - 1/4 = 487/36 - 9/36 = 478/36 = (478/2)/(36/2) = 239/18 = 13 5/18
13 5/18
Объяснение:
13 19/36 - 1/4 = 487/36 - 1/4 = 487/36 - 9/36 = 478/36 = (478/2)/(36/2) = 239/18 = 13 5/18