2) 1,1/2 = 3/2; (3/2)³=27/8;
27/8 + 5/8 = 32/8 = 4;
3) 3,5/9 = 32/9
(2/3)²=4/9
32/9+4/9 = 36/9 = 4;
4) (1/2)⁴=1/16
3,1/4 = 13/4
1/16+13/4=1/16+52/16=53/16
5) 7,2/5 = 37/5
(2/5)²=4/25
37/5-4/25=185/25-4/25=181/25
6) 1,1/3=4/3
(4/3)²=16/9
9-16/9=81/9-16/9=65/9
2) 1,1/2 = 3/2; (3/2)³=27/8;
27/8 + 5/8 = 32/8 = 4;
3) 3,5/9 = 32/9
(2/3)²=4/9
32/9+4/9 = 36/9 = 4;
4) (1/2)⁴=1/16
3,1/4 = 13/4
1/16+13/4=1/16+52/16=53/16
5) 7,2/5 = 37/5
(2/5)²=4/25
37/5-4/25=185/25-4/25=181/25
6) 1,1/3=4/3
(4/3)²=16/9
9-16/9=81/9-16/9=65/9