а) 1 1/8 * 9 1/3 = 9/8 * 28/3 = 84/8 = 10 4/8 = 10 1/2
б) 3/4 * 8/9 = 2/3
в) 3/10 * 2 6/7 * 1 5/9 = 1 1/3
1) 3/10 * 2 6/7 = 3/10 * 20/7 = 6/7
2) 6/7 * 1 5/9 = 6/7 * 14/9 = 4/3 = 1 1/3
а) 1 1/8 * 9 1/3 = 9/8 * 28/3 = 84/8 = 10 4/8 = 10 1/2
б) 3/4 * 8/9 = 2/3
в) 3/10 * 2 6/7 * 1 5/9 = 1 1/3
1) 3/10 * 2 6/7 = 3/10 * 20/7 = 6/7
2) 6/7 * 1 5/9 = 6/7 * 14/9 = 4/3 = 1 1/3