а) 8 3/14 - 5 9/14 = 8 - 5 + 3/14 - 9/14 = 3 - 6/14 = 3 - 3/7 = 2 4/7
б) 3 3/13 + 1 5/13 = 3 + 1 + 3/13 + 5/13 = 4 + 8/13
в) 7 - 2 2/5 = 7 - 2 - 2/5 = 5 - 2/5 = 4 3/5
г) 8 * 3/32 = 24/32 = 3/4
д) 12/35 : 6 = 12/35 * 1/6 = 12/210 = 2/35
е) 0.3 + 1/2 = 3/10 + 1/2 = 3/10 + 5/10 = 8/10 = 0.8
а) 8 3/14 - 5 9/14 = 8 - 5 + 3/14 - 9/14 = 3 - 6/14 = 3 - 3/7 = 2 4/7
б) 3 3/13 + 1 5/13 = 3 + 1 + 3/13 + 5/13 = 4 + 8/13
в) 7 - 2 2/5 = 7 - 2 - 2/5 = 5 - 2/5 = 4 3/5
г) 8 * 3/32 = 24/32 = 3/4
д) 12/35 : 6 = 12/35 * 1/6 = 12/210 = 2/35
е) 0.3 + 1/2 = 3/10 + 1/2 = 3/10 + 5/10 = 8/10 = 0.8