| (1) | | | | 3 | | | 2 | | | | 3 | | | 2 | | | | ( | − | v | − | ) | ( | − | v | + | ) | | | 4 | 5 | 4 | 5 | | | | | | | | | | | |
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| (2) | | | 1 | | | 3 | | | | 1 | | | 3 | | | | | ( | a | + | b | ) | ( | a | − | b | ) | | | 2 | 4 | 2 | 4 | | | | | | | | | | | |
|
| (3) | | | | 3 | | | 4 | | | | 3 | | | 4 | | | | | ( | − | x | − | y | ) | ( | x | − | y | ) | | | 5 | 5 | 5 | 5 | | | | | | | | | | | | |
|
| (4) | | | | 3 | | | 1 | | | | | 3 | | | 1 | | | | | ( | − | p | − | q | ) | ( | − | p | + | q | ) | | | 4 | 3 | 4 | 3 | | | | | | | | | | | | | |
|
| (5) | | | | 1 | | | 3 | | | 1 | | | 3 | | | | ( | − | p | + | ) | ( | p | + | ) | | | 4 | 5 | 4 | 5 | | | | | | | | | | |
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| (6) | | | 1 | | | 1 | | | | 1 | | | 1 | | | | | ( | p | − | q | ) | ( | p | + | q | ) | | | 2 | 3 | 2 | 3 | | | | | | | | | | | |
|
| (7) | | | 1 | | | 1 | | | 1 | | | 1 | | | | ( | y | + | ) | ( | y | − | ) | | | 2 | 3 | 2 | 3 | | | | | | | | | |
|