25 3/4-(12-5/9-4 7/8+1 5/12) , глупому человеку ❤

25 3/4 - (12 - 5/9 - 4 7/8 + 1 5/12) = 25 3/4 - 12 + 5/9 + 4 7/8 - 1 5/12 = 13 3/4 + 5/9 + 4 7/8 - 1 5/12 = 13 6/8 + 4 7/8 + 5/9 - 1 5/12 = 18 5/8 + 5/9 - 1 5/12 = 18 45/72 + 40/72 - 1 30/72 = 58 55/72 - 1 30/72 =  56 54/72 = 56 3/4 = 56,75.

ответ: 56,75.