a) 7 3/17 + 85/17 - 16/17 = 7 + 5 - 1 = 11
б) 5 7/10 - (4 3/10 - 2 1/10) = 5 + 7/10 - (4 + 3/10 - 2 - 1/10) = 5 + 7/10 - 4 - 3/10 + 2 + 1/10 = 5 - 4 + 2 = 3
в) 10 7/15 - 3 1/15 + 4 4/15 = 10 - 3 + 4 = 11
г) 9 9/11 - (3 2/11 - 2 3/11) = 9 + 9/11 - (3 + 2/11 - 2 - 3/11) = 9 + 9/11 - 3 - 2/11 + 2 + 3/11 = 9 - 3 + 2 = 8
a) 7 3/17 + 85/17 - 16/17 = 7 + 5 - 1 = 11
б) 5 7/10 - (4 3/10 - 2 1/10) = 5 + 7/10 - (4 + 3/10 - 2 - 1/10) = 5 + 7/10 - 4 - 3/10 + 2 + 1/10 = 5 - 4 + 2 = 3
в) 10 7/15 - 3 1/15 + 4 4/15 = 10 - 3 + 4 = 11
г) 9 9/11 - (3 2/11 - 2 3/11) = 9 + 9/11 - (3 + 2/11 - 2 - 3/11) = 9 + 9/11 - 3 - 2/11 + 2 + 3/11 = 9 - 3 + 2 = 8