| (1) | | | 4 | | | 1 | | | 4 | | | 1 | | | | ( | c | − | ) | ( | c | + | ) | | | 5 | 2 | 5 | 2 | | | | | | | | | |
|
| (2) | | | 1 | | | 1 | | | | 1 | | | 1 | | | | | ( | x | − | y | ) | ( | x | + | y | ) | | | 5 | 5 | 5 | 5 | | | | | | | | | | | |
|
| (3) | | | 6 | | | 1 | | | 6 | | | 1 | | | | ( | z | − | ) | ( | z | + | ) | | | 5 | 2 | 5 | 2 | | | | | | | | | |
|
| (4) | | | | 1 | | | 2 | | | | 1 | | | 2 | | | | ( | − | x | + | ) | ( | − | x | − | ) | | | 3 | 5 | 3 | 5 | | | | | | | | | | | |
|
| (5) | | | | 3 | | | 2 | | | 3 | | | 2 | | | | ( | − | b | − | ) | ( | b | − | ) | | | 5 | 5 | 5 | 5 | | | | | | | | | | |
|
| (6) | | | | 4 | | | 1 | | | 4 | | | 1 | | | | ( | − | z | − | ) | ( | z | − | ) | | | 5 | 2 | 5 | 2 | | | | | | | | | | |
|
| (7) | | | | 2 | | | 1 | | | | 2 | | | 1 | | | | ( | − | a | − | ) | ( | − | a | + | ) | | | 3 | 2 | 3 | 2 | | | | | | | | | | | |
|