Пошаговое объяснение:
а) 4/9+2/9+1 = 1 6/9 = 1 2/3
б) 4/11+3+3/11 = 3 7/11
в) 1 5/12+1/12+1/12 = 1 7/12
г) 12+5/6+1/6 = 12 + 6/6 = 13
167.
а) 3 8/17+2 13/17 = 5 21/17 = 6 4/17
б) 6 9/14+2 13/14 = 8 22/14 = 9 8/14 = 9 4/7
в) 1 5/7+1 6/7 = 2 11/7 = 3 4/7
г) 5 7/8+3 3/8 = 8 10/8 = 9 2/8 = 9 1/4
Пошаговое объяснение:
а) 4/9+2/9+1 = 1 6/9 = 1 2/3
б) 4/11+3+3/11 = 3 7/11
в) 1 5/12+1/12+1/12 = 1 7/12
г) 12+5/6+1/6 = 12 + 6/6 = 13
167.
а) 3 8/17+2 13/17 = 5 21/17 = 6 4/17
б) 6 9/14+2 13/14 = 8 22/14 = 9 8/14 = 9 4/7
в) 1 5/7+1 6/7 = 2 11/7 = 3 4/7
г) 5 7/8+3 3/8 = 8 10/8 = 9 2/8 = 9 1/4