(2/3+7/8-5/6)×(1-5/17) по действиям
(2/3 + 7/8 - 5/6) * (1 - 5/17) = 1/2 1) 2/3 + 7/8 = 16/24 + 21/24 = 37/24 2) 37/24 - 5/6 = 37/24 - 20/24 = 17/24 3) 1 - 5/17 = 17/17 - 5/17 = 12/17 4) 17/24 * 12/17 = 12/24 = 1/2
1 5 2 3 7 6 4 (2/3+7/8/6)×(1-5÷17)