Найдите значение выражения. 1) (5/6 - 11/14) : 3/7 = 2) 16 : 1(11/13) - 1(1/4) : 15/58 = 3) (8 - 1(3/13) : 1(17/39))

1) (5/6 - 11/14) : 3/7 = 1/9а) 5/6 - 11/14 = 35/42 - 33/42 = 1/21б) 1/21 : 3/7 = 1/21 * 7/3 = 1/9.

2) 16 : 1(11/13) - 1(1/4) : 15/58 = 3(5/6).а) 16 : 1(11/13) = 16 : 24/13 = 16 * 13/24 = (2*13)/3 = 8(2/3).б) 1(1/4) : 15/58 = 5/4 * 58/15 = 29/6 = 4(5/6).в) 8(2/3) - 4(5/6) = 8(4/6) - 4(5/6) = 3(5/6).

3) (8 - 1(3/13) : 1(17/39)) : 5(5/14) = 1(1/3).а) 1(3/13) : 1(17/39) = 16/13 : 56/39 = 16/13 * 39/56 = 6/7.б) 8 - 6/7 = 7(1/7).в) 7(1/7) : 5(5/14) = 50/7 * 14/75 = 4/3 = 1(1/3).