| (1) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | −5 | v | − | 9 | ) | ( | 5 | v | − | 5 | ) | + | ( | −6 | v | + | 3 | ) | ( | 4 | v | + | 10 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | = | −25 | v | − | 20 | v | + | 45 | + | ( | −24 | v | − | 48 | v | + | 30 | ) | | | | | | | | | | | | | | | | | | | | | | | | | |
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| (2) | | | | | | | | | | | | | | | | | | | | | | | | | ( | w | − | 3 | ) | ( | w | + | 3 | ) | + | ( | w | − | 7 | ) | ( | w | + | 7 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (3) | | | | | | | | | | | | | | | | | | | | | | | | | ( | a | + | 5 | ) | ( | a | − | 5 | ) | + | ( | a | + | 8 | ) | ( | a | − | 3 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (4) | | | | | | | | | | | | | | | | | | | | | | | | ( | 10 | u | + | 1 | ) | ( | 6 | u | − | 3 | ) | − | 9 | ( | −8 | u | + | 7 | ) | | | | | | | | | | | | | | | | | | | | | | | |
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| (5) | | | | | | | | | | | | | | | | | | | | | | | | | ( | p | − | 7 | ) | ( | p | + | 9 | ) | − | ( | p | − | 5 | ) | ( | p | − | 3 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (6) | | | | | | | | | | | | | | | | | | | | | | | | | ( | z | + | 10 | ) | ( | z | + | 8 | ) | − | ( | z | − | 4 | ) | ( | z | + | 8 | ) | | | | | | | | | | | | | | | | | | | | | | | | |
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| (7) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ( | 10 | r | + | 3 | ) | ( | −10 | r | − | 2 | ) | − | ( | 4 | r | − | 2 | ) | ( | 2 | r | − | 5 | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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