а) (6 - 1 1/2 - 1/3) : (6 +1 1/2 - 1/3) =
1) 6 - 1 1/2 = 5 - 1/2 = 4 2/2 - 1/2 = 4 1/2
2) 4 1/2 - 1/3 = 4 +(3-2)/6 = 4 1/6
3) 6 + 1 1/2 = 7 1/2
4) 7 1/2 - 1/3 = 7 +(3-2)/6 = 7 1/6
5) 4 1/6 : 7 1/6 = 25/6 : 43/6 = 25/6 *6/43 = 25/43
б) 1:1 +1:1 +1:1 + 1/3 = 3 1/3
а) (6 - 1 1/2 - 1/3) : (6 +1 1/2 - 1/3) =
1) 6 - 1 1/2 = 5 - 1/2 = 4 2/2 - 1/2 = 4 1/2
2) 4 1/2 - 1/3 = 4 +(3-2)/6 = 4 1/6
3) 6 + 1 1/2 = 7 1/2
4) 7 1/2 - 1/3 = 7 +(3-2)/6 = 7 1/6
5) 4 1/6 : 7 1/6 = 25/6 : 43/6 = 25/6 *6/43 = 25/43
б) 1:1 +1:1 +1:1 + 1/3 = 3 1/3