Найдите значение выражения. 1) (16/27 - 5/9) * 3/10 = а) 16/27 - 5/9 = б) 2) 16/27 - 5/9 * 3/10 = а) 5/9 * 3/10 = б)

1) (16/27 - 5/9) * 3/10 = 1/90а) 16/27 - 5/9 = 1/27б) 1/27 * 3/10 = 1/90

2) 16/27 - 5/9 * 3/10 = 23/54а) 5/9 * 3/10 = 1/6б) 16/27 - 1/6 = 32/54 - 9/54 = 23/54.

3) (6 - 2(2/7) * 1(5/44)) * 2(17/19) = 10а) 2(2/7) * 1(5/44) = 16/7 * 49/44 = 28/11 = 2(6/11)б) 6 - 2(6/11) = 3(5/11)в) 3(5/11) * 2(17/19) = 38/11 * 55/19 = 10.