a) 10/14^2 : 3,5 + 10/14 =
(5/7)^2 : 7/2 + 10/14 =
25/49 * 2/7 + 10/14 =
50/343 + 10/14 =
295/343
b) 10/14 * 3.5^-1 - 10/14 =
5/7 * (7/2)^-1 - 10/14 =
5/7 * 2/7 - 10/14 =
10/49 - 10/14 =
-25/49
c) (-10/14) + 10/14 + | -10/14 | =
| - 10/14 | = | - 5/7 | = 5/7
d) -3,5 : 3,5^-1 + | 3,5 | : 3,5^1 =
(-3,5 : 3,5^-1) + (3,5 : 3,5^-1) =
0
